(E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methylacrylamide;(2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-2-propenamide;N,N-Bis-desethyl, N-Methyl Entacapone
(E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methylacrylamide;(2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-2-propenamide;N,N-Bis-desethyl, N-Methyl Entacapone