
Ethyl 2,4-dioxovalerate(615-79-2)
- CAS Registry Number:
- 615-79-2
- Synonyms:
- Ethylacetylpyruvate;Ethyl acetopyruvate;Ethyl 2,4-dioxopentanoate;NSC 1243;NSC 97434;Valericacid, 2,4-dioxo-, ethyl ester (6CI,7CI,8CI);2,4-Dioxopentanoic acid ethylester;Ethoxalylacetone;Ethyl (acetylmethyl)glyoxylate;
- Molecular Formula:
- C7H10O4
- Molecular Weight:
- 158.154
- EINECS:
- 210-447-5
CAS No.:615-79-2
Name: Ethyl 2,4-dioxovalerate
Related Suppliers
CAS No.615-79-2 Ethyl 2,4-dioxovalerate Manufacturer/High quality/Best price/In stock
Assay:98% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by sea or by air Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
Min. Order:1Kilogram
Supplier:Dayang Chem (Hangzhou) Co.,Ltd. [
China (Mainland)]
CAS No.615-79-2 2,4-DIOXO-PENTANOIC ACID ETHYL ESTER
Assay:99% Appearance:White powder Package:In aluminum foil bag or bottle Storage:Room temperature Transportation:By air or by sea Application:Organic Chemicals
Min. Order:100Gram
Supplier:HENAN NEW BLUE CHEMICAL CO.,LTD [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-Dioxopentanoate
Assay:99%min. Appearance:white powder Package:1kg/Export worthy packing; 25kg/drum Storage:In well-closed container, protected from light and in cool & dry place. Transportation:By Air, By Sea, By courier (door to door, DHL/FedEx/UPS) Application:R&D and production for pharmaceuticals and chemicals
Min. Order:1Gram
Supplier:LIDE PHARMACEUTICALS LIMITED [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99% Package:According client's requirements Transportation:by sea/by air/by courier Application:Chemical products
Min. Order:1Kilogram
Supplier:Hangzhou ZeErRui Chemical Co., Ltd. [
China (Mainland)]
CAS No.615-79-2 Ethyl acetonoxalate
Assay:99% Package:according to customer requirements Transportation:By Sea/Air/Courier Application:It is an important raw material.
Min. Order:10Gram
Supplier:Zibo Hangyu Biotechnology Development Co., Ltd [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99% Appearance:white powder Package:According to the customer's requestment Storage:Store in dry, dark and ventilated plac... Transportation:Fast! Safe! Promise 100% safe and successful transportation. Door to door transportation services. Application:It is an important raw material and in...
Min. Order:1Kilogram
Supplier:Zibo Dorne chemical technology co. LTD [
China (Mainland)]
CAS No.615-79-2 615-79-2 Ethyl 2,4-dioxovalerate
Assay:>99% Appearance:liquid Package:5mg/vial, 10 vials per box Storage:2-8掳C Transportation:EMS,DHL,?TNT,?UPS?,FEDEX,?BY?AIR,?BY?SEADHL?Express,?FedEx?and?EMS?for?quantity?less?than?50KG,?usually?called?as?DDU?service;?Sea?shipping?for?quantity?over?500KG;?And?air?shipping?is?available Application:Intermediate of the pharmaceutical sulfamethyloisoxazole.
Min. Order:1Kilogram
Supplier:Hebei Nengqian Chemical Import and Export Co., LTD [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99.00% Appearance:White Powder Package:25KG/Drum Storage:Preserve in tight, light-resistant containers Transportation:By Air& By Sea Application:Pharmaceutical
Min. Order:1Kilogram
Supplier:Golden Pharma Co., Limited [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99% Appearance:powder Package:Ex-factory package Storage:Keep in dark place,Sealed in dry,Room Temperature Transportation:1.Stock products are normally shipping within 3 working days. 2.For rush delivery, please contact our sales team for particular arrangement. Shipping Details: 1.We ship goods via DHL, Application:Organic chemicals
Min. Order:1Gram
Supplier:HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD [
China (Mainland)]
CAS No.615-79-2 Ethyl acetonoxalate
Assay:99.0% Appearance:liquid Package:Grams, Kilograms Storage:Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials. Transportation:According to customer request Application:For R&D and commerical use
Min. Order:100Gram
Supplier:Chemlyte Solutions [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99% Appearance:White fine powder Package:according to the clients requirement Transportation:Transportation by express, air, sea; port mainly to Qingdao / Tianjin / Shanghai, or according to customer needs to send different ports and aviation. Application:An important raw material and intermed
Min. Order:1Kilogram
Supplier:Shandong Hanjiang Chemical Co., Ltd. [
China (Mainland)]
CAS No.615-79-2 Pentanoic acid,2,4-dioxo-, ethyl ester
Assay:99% Appearance:clear yellow liquid Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Storage:Stored in cool, dry and ventilation place; Away from fire and heat Transportation:as per your request Application:Used to make other chemicals.
Min. Order:1Kilogram
Supplier:HANGZHOU YUNUO CHEMICAL CO.,LTD [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:98%min Package:5kg 25kg According to clients' requirement Storage:Store in dry, dark and ventilated place Application:Fine chemical industry
Min. Order:0Metric Ton
Supplier:Hangzhou Keyingchem Co.,Ltd [
China (Mainland)]
CAS No.615-79-2 ethyl 2,4-dioxovalerate
Assay:99.90% Appearance:solid or liquid Package:drum and bag Storage:in sealed air resistant place Transportation:by sea or air Application:for pharma use
Min. Order:0
Supplier:Kono Chem Co.,Ltd [
China (Mainland)]
CAS No.615-79-2 ethyl 2,4-dioxovalerate
Assay:0.98 Appearance:Off white to slight yellow solid Package:1L 5L 10L 25L bottle Storage:Stored in shaded, cool and dry places Transportation:Handle with cares to avoid damaging the packages. Protect them from sunshine or rain. We can send by Fedex, by ship or by plane according to international rules. Application:pharma intermediate
Min. Order:0
Supplier:Antimex Chemical Limied [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-Dioxopentanoate
Assay:0.99 Appearance:white or off-white crystalline powder Package:25kg/drum;200kg/drum Storage:Keep away of light锛宑ool place Transportation:Sea/air/courier Application:Pharma Intermediate
Min. Order:0
Supplier:ORCHID CHEMICAL SUPPLIES LTD [
China (Mainland)]
CAS No.615-79-2 ethyl2,4-dioxovalerate
Assay:99% Appearance:clear yellow liquid Package:25kg/Barrel Storage:ln stock Transportation:Express/Sea/Air Application:Chemicals
Min. Order:0
Supplier:Hangzhou Sartort Biopharma Co., Ltd [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99% Package:25kg/Drum Storage:100tons Transportation:By air/By sea Application:Chemical industry
Min. Order:0
Supplier:Hebei Mujin Biotechnology Co.,Ltd [
China (Mainland)]
CAS No.615-79-2 2,4-dioxo-pentanoic-acid-ethyl-ester
Assay:98% Application:intermediate
Min. Order:0
Supplier:SAGECHEM LIMITED [
China (Mainland)]
CAS No.615-79-2 Ethyl acetonoxalate
Assay:98%min Package:25kg/drum,or as per customers'demand Transportation:air,sea,courier Application:API,or Intermediates,fine chemicals
Min. Order:0
Supplier:GIHI CHEMICALS CO.,LIMITED [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:98% Application:intermediate
Min. Order:0
Supplier:HANGZHOU TIANYE CHEMICALS CO., LTD. [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99% Application:Medical research field
Min. Order:0
Supplier:Qingdao Beluga Import and Export Co., LTD [
China (Mainland)]
CAS No.615-79-2 Pentanoic acid,2,4-dioxo-, ethyl ester
Assay:98%min Appearance:Off-white to light yellow powder Package:According to the clients requirement. Storage:Keep in cool place. Application:Pharmaceutical intermediates
Min. Order:0
Supplier:Hangzhou J&H Chemical Co., Ltd. [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99% Package:box or opp package Storage:cool drum Transportation:air or sea Application:Ethyl 2,4-dioxovalerate
Min. Order:1Milligram
Supplier:weifang yangxu group co.,ltd [
China (Mainland)]
CAS No.615-79-2 CAS NO.:615-79-2
Assay:99% Appearance:white powder Package:drum Storage:Room temperature Transportation:By Sea/Air/DHL Application:Pharmaceutical intermediates
Min. Order:0
Supplier:Henan Wentao Chemical Product Co., Ltd. [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99 Appearance:powder, or liquid Package:Bottle, barrel, cargo, container, etc. Storage:Stored in room temperature, ventilated place Transportation:By air, ship, express, etc. Application:Pharmaceuticals, intermediates, APIs, custom synthesis, chemicals
Min. Order:0
Supplier:LEAP CHEM Co., Ltd. [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99% Appearance:white powder Package:25kg,50kg,180kg,200kg,250kg,1000kg锛宑ustomization Storage:Keep it in dry,shady and cool place Transportation:by express or by sea Application:Pharma;Industry;Agricultural;chemical reaserch
Min. Order:0
Supplier:Wuhan Circle Star Chem-medical Technology co.,Ltd. [
China (Mainland)]
CAS No.615-79-2 Pharmaceutical Grade CAS 615-79-2 with competitive price
Assay:99% Appearance:White powder Package: [Packaging]20mg, 50mg,100mg,1g,10g,100g,according to customers' requirements Storage: should be stored in a well-closed container at low temperature, keep away from moisture, heat and light. Transportation:1. Samples 1kg-10kg are shipped by international express. 2. 50kg-100kg of goods are transported by dedicated line logistics. 3. Cargo 100kg-1ton is transported by dedicated line logistics. Application:Chemical raw materials, pharmaceutical intermediates, cosmetic raw materials, etc.
Min. Order:1Kilogram
Supplier:Zhuozhou Wenxi import and Export Co., Ltd [
China (Mainland)]
CAS No.615-79-2 Intermediate of sulfonylmethylisoxazole, Ethyl 2,4-dioxovalerate CAS:615-79-2
Assay:99.0% Appearance:Clear colorless liquid Package: Aluminum foil bag /Fiber drum / as customers' request. Storage: 2-8掳C Transportation:by air; by sea; or as customers' request. Application:Used as Intermediate for pharmaceutical sulfonylmethylisoxazole
Min. Order:1Kilogram
Supplier:Baoji Guokang Healthchem co.,ltd [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:98% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place Transportation:transport by sea or by air Application:Small molecule;Aliphatics;Esters;API intermediates;Acids and Esters; custom synthesis molecular; API Intermediates.
Min. Order:1Gram
Supplier:Shanghai Massive Chemical Technology Co., Ltd. [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:97% Appearance:Powder or liquid Package:According to customer Storage:Store in a tightly closed container, in a cool and dry place. Transportation:Fedex,DHL,TNT,BY SEA and BY AIR Application:Medicinal Chemistry Biomedicine Pharmaceutical intermediates Chemistry experiment Biological experiments Chemical reagent For R&D use only.
Min. Order:10Milligram
Supplier:Amadis Chemical Co., Ltd. [
China (Mainland)]
CAS No.615-79-2 Acetylpyruvic acid ethyl ester
Assay:99% Haccp,,Halal,SC US FDA GMP ISO14001 Appearance:As per Certificate of analysis and our TDS, MSDS Package:Export standard and according to the clients requirement Storage:Store in dry, dark and ventilated place;ISO / Kosher /GMP licence commercial bulk capacity factory in China Transportation:By AIR or by SEA GMP licence / US-FDA,South Korea-KFDA Application:It is an important raw material and intermediate for chemical industry.
Min. Order:5Kiloliter
Supplier:Chemwill Asia Co., Ltd. [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99.0% Appearance:Clear, colorless liquid Package:according to your requirement Storage:Store in a dry, dark and ventilated place Transportation:by air/by sea /by train Application:lt is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
Min. Order:1Kilogram
Supplier:Suzhou Senfeida Chemical Co., Ltd [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99% Appearance:White to light yellow to light orange fluffy powder Package:according to your requirement Storage:White to light yellow to light orange fluffy powder Transportation:by air /by train/by sea Application:lab
Min. Order:1Kilogram
Supplier:Jiangsu Xinsu New Materials Co., Ltd. [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99.3% Appearance:white or Almost colorless Package:2.5kg or 5kg Transportation:Air freight, sea freight, and express delivery Application:Pharmaceutical intermediate
Min. Order:4Kilogram
Supplier:SHANGHAI T&W PHARMACEUTICAL CO., LTD. [
China (Mainland)]
CAS No.615-79-2 ethyl 2,4-dioxovalerate
Assay:98% Package:N. W. 200KGs/steel drum or clients requirement Storage:stored as non-dangerous goods, avoid sun and rain exposure. Transportation:Express, Air , Sea shipment Application:Pharmaceutical Intermediates
Min. Order:1Gram
Supplier:Hunan chemfish Pharmaceutical co.,Ltd [
China (Mainland)]
CAS No.615-79-2 Factory Supply ethyl 2,4-dioxovalerate
Assay:99% Appearance:powder or granule ( refer to COA) Package:25kgs/fiber drum Storage:Keep in a cool & dry place Transportation:by sea or by air Application:Librium, Valium
Min. Order:0Metric Ton
Supplier:Ality Chemical Corporation [
China (Mainland)]
CAS No.615-79-2 Ethyl acetopyruvate, 98% 615-79-2
Assay:98% Appearance:solid or liquid Package:Foil bag; Drum; Plastic bottle Storage:in sealed air resistant place Transportation:by sea or by airplane Application:Pharma;Industry;Agricultural
Min. Order:0
Supplier:Hunan Russell Chemicals Technology Co.,Ltd [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate CAS No.615-79-2
Assay:99.90% Appearance:solid or liquid Package:As customer's requested Storage:sealed in cool and dry place Transportation:by courier/air/sea Application:Pharma Intermediate
Min. Order:0
Supplier:Guangdong Juda Chemical Industrial Co.,Limited [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-Dioxovalerate manufacturer
Assay:98% Appearance:White powder Package:According client's requirements Storage:keep sealed and keep from direct light Transportation:According client's requirements Application:pharmaceutical
Min. Order:0
Supplier:Shanghai Yuanye Bio-Technology Co., Ltd. [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate cas no. 615-79-2 98%
Assay:0.98 Appearance:Colorless to light yellow liquid Package:Grams, Kilograms Transportation:According to customer request Application:For R&D
Min. Order:0
Supplier:Win-Win chemical Co.Ltd [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:98% Application:chemical reagent
Min. Order:0
Supplier:SHANDONG BENRITE NEW CHEMICAL MATERIALS CO.,LTD. [
China (Mainland)]
CAS No.615-79-2 Ethyl 2,4-dioxovalerate
Assay:99% Application:It is an important raw material.
Min. Order:0
Supplier:Shandong Mopai Biotechnology Co., LTD [
China (Mainland)]
CAS No.615-79-2 2,4-dioxo-pentanoic-acid-ethyl-ester
Assay:98% Package:According to the demand of customer Storage:Sealed, dry, microtherm , avoid light and smell. Transportation:by air or by sea Application:Organic synthesis
Min. Order:0
Supplier:Henan Allgreen Chemical Co.,Ltd [
China (Mainland)]
- Zibo Dorne chemical technology co. LTD
China (Mainland)
- Tel:+86-18560316533
- No. 416, 4th floor, zhongguancun science and technology city, no. 1, west 6th road, zhangdian district
- SHANGHAI T&W PHARMACEUTICAL CO., LTD.
China (Mainland)
- Tel:+86-21-61551611
- 601, No. 1, 2277 Nong, Zu Chongzhi Road, Zhangjiang Hightech. Park, Pudong
- LIDE PHARMACEUTICALS LIMITED
China (Mainland)
- Tel:+86-25-58409506
- 11F, Building A1, No.288 North Zhongshan Road, Gulou District, Nanjing,210003, P.R.China.
- Dayang Chem (Hangzhou) Co.,Ltd.
China (Mainland)
- Tel:+86-571-88938639
- 9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China
- weifang yangxu group co.,ltd
China (Mainland)
- Tel:+08613666361637--
- No 5.dongfeng east street.gaoxin district.weifang city.
- SHANDONG BENRITE NEW CHEMICAL MATERIALS CO.,LTD.
China (Mainland)
- Tel:86-0533-2866658
- Zibo Science and Technology Industrial Park, Zibo City,Shandong Province
- Jiangsu Xinsu New Materials Co., Ltd.
China (Mainland)
- Tel:86-139-14000513
- High speed Railway New City, Xiangcheng District, Suzhou City, Jiangsu Province
- Shandong Mopai Biotechnology Co., LTD
China (Mainland)
- Tel:+86-15965530500
- shandong
- Suzhou Senfeida Chemical Co., Ltd
China (Mainland)
- Tel:186-624-33356
- Hushuguan Economic and Technological Development Zone, Suzhou High-tech Zone
- Golden Pharma Co., Limited
China (Mainland)
- Tel:18958062155
- 1
- Wuhan Circle Star Chem-medical Technology co.,Ltd.
China (Mainland)
- Tel:+86-13437180835
- Room 02-31, 13 / F, Building 9, Guannan Fuxing Medical Park Phase II, No.58, Guanggu Avenue, East Lake New Technology Development Zone, Wuhan, Hubei, China (Wuhan Area, Free Trade Zone)
- Wuhan Circle Star Chem-medical Technology co.,Ltd.
China (Mainland)
- Tel:+86-13437180835
- Room 02-31, 13 / F, Building 9, Guannan Fuxing Medical Park Phase II, No.58, Guanggu Avenue, East Lake New Technology Development Zone, Wuhan, Hubei, China (Wuhan Area, Free Trade Zone)
- HANGZHOU TIANYE CHEMICALS CO., LTD.
China (Mainland)
- Tel:0571-85083592
- 1208# HuaCe Building-B,Wuchanggang Road,XIHU District,Hangzhou City,Zhejiang Province ,China
- HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
China (Mainland)
- Tel:+8615383190639-15383190639-15383190639
- Hao Shun Hua Yue City
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
- LEAP CHEM Co., Ltd.
China (Mainland)
- Tel:+852-30606658
- EASEY COMM BLDG 253-261 HENNESSY ROAD Hong Kong, China
- Qingdao Beluga Import and Export Co., LTD
China (Mainland)
- Tel:+8613854236000
- qingdao
- Ality Chemical Corporation
China (Mainland)
- Tel:86-(0)592-8883942
- Fine chemical industry park, Nantong,Jiangsu
- Shandong Hanjiang Chemical Co., Ltd.
China (Mainland)
- Tel:+86 18369939125
- No.25A Qilu Industrial Park
- Zhuozhou Wenxi import and Export Co., Ltd
China (Mainland)
- Tel:+86-13111626072
- Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei
- Zhuozhou Wenxi import and Export Co., Ltd
China (Mainland)
- Tel:+86-13111626072
- Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei
- Zhuozhou Wenxi import and Export Co., Ltd
China (Mainland)
- Tel:+86-13111626072
- Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei
- Zhuozhou Wenxi import and Export Co., Ltd
China (Mainland)
- Tel:+86-13111626072
- Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei
- Chemlyte Solutions
China (Mainland)
- Tel:+86-189 8945 5137
- Jian Qiao Community, 789 Shenhua Road, Xihu District, Hangzhou, China, 310000
- Chemlyte Solutions
China (Mainland)
- Tel:+86-189 8945 5137
- Jian Qiao Community, 789 Shenhua Road, Xihu District, Hangzhou, China, 310000
- Hebei Mujin Biotechnology Co.,Ltd
China (Mainland)
- Tel:13231137666
- room 1401,A building,Enjoy city,shijiazhuang city,hebei province,China
- Henan Wentao Chemical Product Co., Ltd.
China (Mainland)
- Tel:+86-370-2722992
- 32 Room, 5th Floor, Building 11, No. 6 Yinxing Road, High-tech Industrial Development Zone, Zhengzhou City, Henan Province
- Guangdong Juda Chemical Industrial Co.,Limited
China (Mainland)
- Tel:+86-15527996628
- Guangzhou chemical city Tianhe District Guangzhou Guangdong China
- Baoji Guokang Healthchem co.,ltd
China (Mainland)
- Tel:86-917-3909592
- China
- Hangzhou Keyingchem Co.,Ltd
China (Mainland)
- Tel:+86-571-85378921
- Jintong international Building, No.113,Huayuangang Street, Gong shu District, Hangzhou,Zhejiang, China.
Other Product
- -
- -
- -
- -
- -
- -
- -
- -
- -
- (4S,6R)-6-{2-[(2-hydroxy-ethyl)-(4-methoxy-benzenesulfonyl)-amino]-ethoxy}-4-isopropyl-5,6-dihydro-4H-pyran-2-carboxylic acid allyl ester
- [1,4'-Bipiperidine]-1'-carboxylic acid, 4-(1H-indol-7-yl)-, ethyl ester
- 1,3,5-Tris(4-acetamidophenyl)penta-1,5-dione
- 1,5-Bis(3-aminophenyl)-3-(4-N,N-di-methylaminophenyl)penta-1,5-dione
- 1,5-Bis(4-acetamidophenyl)-3-phenylpenta-1,5-dione
- 1,5-Bis(4-aminophenyl)-3-(4-acetamido-phenyl)penta-1,5-dione
- 1,5-Bis(4-aminophenyl)-3-phenylpenta-1,5-dione