英文别名Entacapone Impurity 72; (2E)-2-cyano-3-(3-methoxy-4-hydroxy-phenyl)-N,N-diethylprop-2-enamide; (E)-N,N-diethyl-2-cyano-3-(3-methoxy-4-hydroxy-phenyl)-acrylamide; (E)-2-cyano-N,N-diethyl-3-(4-hydroxy-3-methoxyphenyl)-acrylamide; (E)-N,N-diethyl-2-cyano-3-(3-methoxy-4-hydroxyphenyl)acrylamide; 2-Propenamide, 2-cyano-N,N-diethyl-3-(4-hydroxy-3-methoxyphenyl)-, (2E)- 
