3-(4-methyl-1H-pyrrol-3-yl)propanoic acid

4-(2-羧基-乙基)-3,5-二甲基-1H-吡咯-2-羧酸乙酯

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