Standards; Pharmaceutical/API Drug Impurities/Metabolites;
應(yīng)用:
(2E)-2-Cyano-3-(3,4,5-trihydroxyphenyl)-2-propenamide, is an impurity of Entacapone (E558500), E)-Isomer of Entacapone polymorphic form A. Peripherally acting inhibitor of catechol-O-methyl transferase (COMT), an enzyme involved in the metabolism of catecholamine neurotransmitters and related drugs. Antiparkinsonian.