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发明人张德明,胡光,徐明华. "A Process for Preparing High-Purity 2-Bromo-6-chloro-5-(chloromethyl)-3-(difluoromethyl)pyridine" [P]. 中国发明专利, 专利号 CN 111092812 B, 授权公告日 2018-09-24.
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