发明人林芳,周伟,唐晓军. "Method for the Synthesis of 4-[2-(dimethylamino)ethyl]benzoic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 111186840 A, 授权公告日 2018-05-22.
发明人刘建华,韩伟,马晓峰. "A Process for Preparing High-Purity 4-[2-(dimethylamino)ethyl]benzoic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 110554144 A, 授权公告日 2015-05-11.
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