methyl 3-[2-(trifluoromethyl)phenyl]prop-2-ynoate

dimethyl 1-methylimidazole-2,4-dicarboxylate

4,6-吲哚二羧酸甲酯

Trimethyl 1H-Indole-4,6,7-tricarboxylate

N-benzyl-2-methyl-3-carbomethoxypyrrole