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发明人刘建华,马晓峰,唐晓军. "A Process for Preparing High-Purity 2-(4-(Aminomethyl)-3-cyano-5-(difluoromethyl)pyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110013880 A, 授权公告日 2023-09-01.
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