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发明人高志强,朱建伟,唐晓军. "A Process for Preparing High-Purity 7-Bromo-3-chloro-1H-pyrazolo[4,3-c]pyridine" [P]. 中国发明专利, 专利号 CN 109640733 B, 授权公告日 2020-06-20.
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