784150-40-9
6-Bromo-4-chloro-7-(phenylsulfonyl)-7H-pyrrolo[2,3-d]pyrimidine
→
~81%
784150-41-0
6-溴-4-氯-7H-吡咯并[2,3-d]嘧啶
784150-42-1
6-Bromo-4-chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine