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发明人何建平,唐晓军,钱学锋. "Method for the Synthesis of 3-(Difluoromethyl)-4-(trifluoromethyl)pyridine-2,6-diamine" [P]. 中国发明专利, 专利号 CN 108023527 A, 授权公告日 2019-12-17.
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