98-09-9
苯磺酰氯
→
~89%
186519-89-1
4-氯-7-(苯基磺酰基)-7h-吡咯并[2,3-d]嘧啶
+
3680-69-1
4-氯吡咯并嘧啶
~10%
3680-71-5
4-羟基吡咯并[2,3-d]嘧啶