Butyl 7-(3,4-dimethoxyphenyl)-2-methyl-4-(4-nitrophenyl)-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate 1g

Butyl 7-(3,4-dimethoxyphenyl)-2-methyl-4-(4-nitrophenyl)-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate 1g