68-12-2
N,N-二甲基甲酰胺
→
~65%
942920-59-4
1-(benzenesulfonyl)-4-bromopyrrolo[2,3-b]pyridine-2-carbaldehyde
889939-25-7
4-溴-1-苯磺酰基-1H-吡咯并[2,3-b]吡啶
+
~64%