26018-26-8
5-formyl-4-methyl-1H-pyrrole-2-carboxylic acid ethyl ester
→
~65%
280748-43-8
5-formyl-4-methyl-1H-pyrrole-2-carboxylic acid
40611-85-6
4-甲基-2-吡咯甲酸乙酯