3-(2-(hydroxymethyl)-4-methyl-1H-pyrrol-3-yl)propanoic acid

尿卟啉I八甲基酯

3-(2-甲醛-4-甲基吡咯)-丙酸

2-formyl-3-[2-(methoxycarbonyl)ethyl]-4-methylpyrrole

[5-bromo-3-(2-carboxy-ethyl)-4-methyl-pyrrol-2-yl]-[4-(2-carboxy-ethyl)-3,5-dimethyl-pyrrol-2-ylidene]-methane, hydrobromide