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