4-氯吡咯并嘧啶

4-羟基吡咯并[2,3-d]嘧啶

7H-吡咯并[2,3-D]嘧啶

2-疏基-7h-吡咯并[2,3-d]嘧啶-4-醇

4-氯-2-(甲硫基)-7H-吡咯并[2,3-D]嘧啶