2,4-二甲基-3-乙基吡咯

初卟啉I

5-[(5-carboxy-3-ethyl-4-methyl-1H-pyrrol-2-yl)methyl]-4-ethyl-3-methyl-1H-pyrrole-2-carboxylic acid

4-乙基-3,5-二甲基-1H-吡咯-2-甲醛

benzyl 4-ethyl-3-methyl-1H-pyrrole-2-carboxylate