98-09-9
苯磺酰氯
→
~68%
920966-51-4
3-溴-4-氯-1-(苯磺酰基)-1H-吡咯并[2,3-B]吡啶
920965-86-2
4-氯-1-苯磺酰基-1H-吡咯并[2,3-b]吡啶-3-甲腈