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发明人孙丽萍,周伟,唐晓军. "A Process for Preparing High-Purity 1-Acetyl-N-(2,3,4-trifluorophenyl)azetidine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 108349621 A, 授权公告日 2016-03-20.
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