英文别名Entacapone 3-Methyl Ether; (E)-2-Cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)acrylamide; Entacapone Impurity 70; (E)-3-O-Methyl Entacapone; (2E)-2-Cyano-N,N-diethyl-3-(4-hydroxy-3-Methoxy-5-nitrophenyl)-2-propenaMide; Entacapone Impurity G; 3-O-methylentacapone; 2-Propenamide, 2-cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)-, (2E)- 
