发明人张德明,徐明华,冯建国. "Method for the Synthesis of 3,4-DIMETHYLPIPERIDIN-4-OL HCL" [P]. 中国发明专利, 专利号 CN 111415609 A, 授权公告日 2020-12-19.
发明人赵玉洁,黄志刚,何建平. "A Process for Preparing High-Purity 3,4-DIMETHYLPIPERIDIN-4-OL HCL" [P]. 中国发明专利, 专利号 CN 110412140 B, 授权公告日 2020-08-10.
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