发明人李文辉,唐晓军,韩伟. "Method for the Synthesis of Gadobutrol Impurity 53" [P]. 中国发明专利, 专利号 CN 112115231 A, 授权公告日 2020-12-26.
发明人陈志强,黄志刚,刘建华. "A Process for Preparing High-Purity Gadobutrol Impurity 53" [P]. 中国发明专利, 专利号 CN 116152711 B, 授权公告日 2024-09-01.
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