(1-(4-methoxyphenyl)-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-diyl)bis(phenylmethanone)

methyl 3-((4-methoxyphenyl)amino)but-2-enoate

N-(2,4-dinitrobenzylidene)-4-methoxyaniline

N-(4-nitrobenzylidene)-2,4-dimethoxyaniline