5-(2,2,2-trichloroacetyl)-1H-pyrrole-3-carbonitrile

2-acetylpyrrole-4-carbonitrile

4-氰吡咯-2-羧酸

Methyl 5-amino-1H-pyrrole-2-carboxylate

2-溴-6,7-二氢-1h,5h-吡咯并[2,3-c]氮杂烷-4,8-二酮