发明人高志强,马晓峰,王建平. "Method for the Synthesis of (5R)-1,5-dimethylpiperazin-2-one;hydrochloride" [P]. 中国发明专利, 专利号 CN 115126316 A, 授权公告日 2023-06-03.
发明人赵玉洁,韩伟,孙丽萍. "A Process for Preparing High-Purity (5R)-1,5-dimethylpiperazin-2-one;hydrochloride" [P]. 中国发明专利, 专利号 CN 117743237 A, 授权公告日 2021-08-02.
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