发明人孙丽萍,马晓峰,罗永刚. "Method for the Synthesis of rac-(2R,6S)-2,6-Dimethyl-4-(4-piperidinyl)morpholine Dihydrochloride Hydrate" [P]. 中国发明专利, 专利号 CN 108852994 A, 授权公告日 2018-12-07.
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