Entacapone ETC00 (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide 130929-57-6
Entacapone EP Impurity A ETC01 (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide 145195-63-7
Entacapone EP Impurity B ETC02 Ethyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate
Entacapone EP Impurity C ETC03 3,4-Dihydroxy-5-nitrobenzaldehyde 116313-85-0
Entacapone EP Impurity D ETC04 (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide
Entacapone EP Impurity E ETC05 3,5-Dinitrobenzene-1,2-diol
Entacapone EP Impurity F ETC06 (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoic acid
Entacapone EP Impurity G ETC07 (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-prop-2-enamide
Entacapone EP Impurity H ETC08 (2E)-3-(3,4-Dihydroxy-5-nitrophenyl)-2-(piperidin-1-ylcarbonyl)prop-2-ennitrile
Entacapone EP Impurity I ETC09 Propyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate
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