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Entacapone
C14H15N3O5 305.29
 (E)-α-Cyano-N,N-diethyl-3,4-dihydroxy-5-nitrocinnamamide;
 2-Propenamide, 2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-,(E)- [130929-57-6]

DEFINITION

Entacapone contains NLT 98.0% and NMT 102.0% of C14H15N3O5, calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Entacapone RS
USP Entacapone Related Compound A RS
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