4-氯吡咯并[2,3-D]嘧啶

2-氨基-3,5-二氢吡咯并[3,2-D]嘧啶-4-酮

(4,4',5,5'-Tetrachloro-1'H-1,3'-bipyrrole-2,2'-diyl)bis[(2-hydrox yphenyl)methanone]

3-氨基-4-溴-1H-吡咯-2-羧酸乙酯

3-bromo-1-methylpyrrolo[2,3-b]pyrrolizin-8-one