(E)-1-(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-5-yl)-N-hydroxymethani mine

5-溴-4-氯-7H-吡咯并[2,3-d]嘧啶

4-甲苯磺酰氰

(4-methylphenyl) thiocyanate

6-氯-7-碘-7-脱氮嘌呤