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发明人徐明华,高志强,赵玉洁. "A Process for Preparing High-Purity 1-(Tert-butyl) 2-methyl 4,4-difluoropiperidine-1,2-dicarboxylate" [P]. 中国发明专利, 专利号 CN 111965820 B, 授权公告日 2022-03-14.
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