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发明人张德明,林芳,钱学锋. "A Process for Preparing High-Purity (1-(Phenylsulfonyl)piperidin-4-yl)(piperidin-1-yl)methanone" [P]. 中国发明专利, 专利号 CN 114464078 B, 授权公告日 2015-12-27.
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