发明人李文辉,钱学锋,郑宇鹏. "Method for the Synthesis of 2-Bromo-5-chloro-3H-imidazo[4,5-b]pyridine" [P]. 中国发明专利, 专利号 CN 111298681 A, 授权公告日 2018-04-19.
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