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发明人沈红梅,高志强,钱学锋. "A Process for Preparing High-Purity tert-Butyl 4-(5,5-dimethyl-2-oxo-1,3-oxazinan-3-yl)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111786511 B, 授权公告日 2024-05-23.
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