N-甲苯磺酰-4-氯-2-碘-7-氮杂吲哚

4-碘-7-氮杂吲哚

1-(4-碘-1H-吡咯并[2,3-b]吡啶)-乙酮

7-氮杂吲哚-4-甲腈

4-氯-1H-吡咯并[2,3-b]吡啶-2(3H)-酮