ETC52: Entacapone Methoxy Impurity

ETC52: Entacapone Methoxy Impurity

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(E)-3-O-Methyl Entacapone ;

(2E)-2-Cyano-3-(3-methoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide ;

CAS # 857629-78-8 ;

C15H17N3O5 ;
Mol. Wt.: 319.31 ;