916176-52-8
4-溴-5-氯-1H-吡咯并[2,3-b]吡啶
+
98-59-9
对甲苯磺酰氯
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~59%
916176-53-9
4-溴-5-氯-1-[(4-甲基苯基)磺酰基]-1H-吡咯[2,3-B]吡啶