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发明人林芳,郭海燕,唐晓军. "A Process for Preparing High-Purity 1-[(3,4-Difluorophenyl)methyl]-1,4-diazepane" [P]. 中国发明专利, 专利号 CN 111718750 B, 授权公告日 2020-06-10.
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