dimethyl 4,6-dimethyl-2-(2-nitrophenyl)-1,2-dihydropyridine-3,5-dicarboxylate

6-Methyl-2,4-bis-(2-nitrophenyl)-1,2,3,4-tetrahydropyrimidin-5-carbonsaeuremethylester

3-氧代癸酸甲酯

5-甲基-4-咪唑羧酸甲酯

7,8-二羟基-4-甲基香豆素