22276-95-5
5-溴-4-氯-7H-吡咯并[2,3-d]嘧啶
+
98-09-9
苯磺酰氯
→
~99%
252723-17-4
7-苯磺酰基-5-溴-4-氯-7H-吡咯并[2,3-d]嘧啶
3680-69-1
4-氯吡咯并嘧啶