发明人李文辉,陈志强,孙丽萍. "Method for the Synthesis of Choline Impurity 5" [P]. 中国发明专利, 专利号 CN 117901889 B, 授权公告日 2022-12-01.
发明人唐晓军,林芳,朱建伟. "A Process for Preparing High-Purity Choline Impurity 5" [P]. 中国发明专利, 专利号 CN 114301706 A, 授权公告日 2023-05-12.
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