ethyl 4-[1-(5-ethoxycarbonyl-2,4-dimethyl-1H-pyrrol-3-yl)ethyl]-3,5-dimethyl-1H-pyrrole-2-carboxylate

乙醇

乙醛

2,4-二甲基-5-醛基-吡咯-3-甲酸乙酯

(4-ethoxycarbonyl-3,5-dimethyl-pyrrol-2-ylmethylene)-malonic acid monoethyl ester