发明人刘建华,黄志刚,韩伟. "Method for the Synthesis of Levocarnitine Impurity N24" [P]. 中国发明专利, 专利号 CN 115173378 B, 授权公告日 2022-07-19.
Park J H, Hughes D C, Fischer A B. "A Process for Preparing High-Purity Levocarnitine Impurity N24" [P]. US Patent, US 11340490 B2, 2018-03-09.
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