3-甲氧基氨基巴豆酸甲酯

N-(4-甲基-2-吡啶)-3-氧代-丁酰胺

methyl 6-methyl-4-(4-nitrophenyl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (en)5-Pyrimidinecarboxylic acid, 1,2,3,4-tetrahydro-6-methyl-4-(4-nitrophenyl)-2-thioxo-, methyl ester (en)

methyl 3-(2-iodoanilino)but-2-enoate

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