Isopropyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate
(αE)-α-[(3,4-Dihydroxy-5-nitrophenyl)methylene]-β-oxo-1-piperidinepropanenitrile
(2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide
Entacapone Acid
cis-Entacapone
3,4-Dihydroxy-5-nitrobenzaldehyde
OR-486