diethyl 5-bromo-3-methyl-1H-pyrrole-2,4-dicarboxylate

diethyl 1,3,5-trimethylpyrrole-2,4-dicarboxylate

5-溴甲基-3-甲基-1H-吡咯-2,4-二羧酸二乙酯

5-dibromomethyl-5-hydroxy-3-methyl-5H-pyrrole-2,4-dicarboxylic acid diethyl ester

diethyl 5-[(4-ethoxycarbonyl-2,5-dimethyl-1H-pyrrol-3-yl)methyl]-3-methyl-1H-pyrrole-2,4-dicarboxylate