(3-Bromphenyl)bis(5-carboxy-4-ethyl-3-methyl-2-pyrryl)methan

diethyl 4,4'-diethyl-3,3'-dimethyl-2,2'-dipyrrylmethane-5,5'-dicarboxylate

4-乙基-2,3-二甲基-1H-吡咯

5-bromo-3-ethyl-4-methyl-pyrrole-2-carboxaldehyde

Bis-(3-aethyl-5-brom-4-methyl-pyrrol-2-yl)-methinium-bromid