发明人刘建华,马晓峰,韩伟. "Method for the Synthesis of Lodoxamide Impurity N44" [P]. 中国发明专利, 专利号 CN 116915988 B, 授权公告日 2023-11-21.
发明人孙丽萍,杨光,冯建国. "A Process for Preparing High-Purity Lodoxamide Impurity N44" [P]. 中国发明专利, 专利号 CN 108278787 B, 授权公告日 2022-10-15.
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