英文同義詞: | Ethyl (E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)acrylate;2-Propenoic acid, 2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-, ethyl ester, (2E)-;(E)-Ethyl 2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)acrylate (Entacapone Impurity);Entacapone Impurity 7;(E)-ethyl 2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)acrylate |