(2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide ; CAS # 130929-57-6 ;

3,4-Dihydroxy-5-nitrobenzoic acid ; CAS # 84211-30-3 ;

Entacapone USP RC A ; (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide ; CAS # 145195-63-7 ;

Ethyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate ;

3,4-Dihydroxy-5-nitrobenzaldehyde ; CAS # 116313-85-0 ;

(2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide ; CAS # 857629-79-9 ;

3,5-Dinitrobenzene-1,2-diol ; 1,2-Dihydroxy-3,5-dinitrobenzene ; CAS # 7659-29-2 ;

(2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoic acid ; CAS # 160391-70-8 ;

(2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-prop-2-enamide ;

(2E)-3-(3,4-Dihydroxy-5-nitrophenyl)-2-(piperidin-1-ylcarbonyl)prop-2-ennitrile ; CAS # 1150310-15-8 ;

Propyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate ; CAS # 1364322-42-8 ;