220896-12-8
3,3-Dibromo-6-chloro-1,3-dihydro-pyrrolo[2,3-b]pyridin-2-one
+
295327-28-5
→
297757-11-0
5-溴-6-氯-1,3-二氢-2H-吡咯并[2,3-b]吡啶-2-酮
220896-14-0
6-氯-1H-吡咯并[2,3-b]吡啶-2(3H)-酮