发明人刘建华,高志强,徐明华. "Method for the Synthesis of Atracurium Impurity 52" [P]. 中国发明专利, 专利号 CN 110458530 A, 授权公告日 2018-04-27.
发明人孙丽萍,黄志刚,韩伟. "A Process for Preparing High-Purity Atracurium Impurity 52" [P]. 中国发明专利, 专利号 CN 114514860 A, 授权公告日 2022-03-14.
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