2,4-二甲基-3-吡咯羧酸乙酯

甲醛

4-乙氧羰基-3,5-二甲基吡咯-2-羧酸

ethyl 5-iodo-2,4-dimethyl-1H-pyrrole-3-carboxylate

5-dimethylaminomethyl-2,4-dimethyl-pyrrole-3-carboxylic acid ethyl ester