4,3'-diacetyl-5,5'-dibenzyloxycarbonyl-3,4'-dimethyl-2,2'-dipyrrylmethane

4,3'-diacetyl-3,4'-dimethyl-5,5'-diiodo-2,2'-dipyrrylmethane

3-acetyl-2-benzyloxycarbonyl-4-methyl-1H-pyrrole

3-乙酰基-2,4-二甲基-5-乙氧羰基吡咯

Benzyl 4-acetyl-3,5-dimethyl-1H-pyrrole-2-carboxylate