发明人孙丽萍,杨光,高志强. "Method for the Synthesis of 4-Hydroxy-1-methylpiperidine-4-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 110722258 B, 授权公告日 2018-04-10.
发明人张德明,王建平,郭海燕. "A Process for Preparing High-Purity 4-Hydroxy-1-methylpiperidine-4-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 109048071 A, 授权公告日 2017-01-24.
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