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发明人陈志强,孙丽萍,周伟. "A Process for Preparing High-Purity Benzyl 4-(4-carbamoylphenoxy)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111485780 B, 授权公告日 2018-09-20.
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