Synonyms: C071192;N,N-Diethyl-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)acrylamide;2-Cyano-N,N-diethyl-3-(3,4-dihydroxy-5-nitrophenyl)propenamide;Novartis brand of entacapone;entacapone;(E)-2-Cyano-3-(3,4-dihydroxy-5-nitro-phenyl)-N,N-diethyl-prop-2-enamide;