发明人韩伟,李文辉,何建平. "Method for the Synthesis of 2-(5-(Dimethylamino)naphthalene-1-sulfonamido)pentanedioic acid" [P]. 中国发明专利, 专利号 CN 115461524 A, 授权公告日 2022-02-21.
发明人郭海燕,徐明华,杨光. "A Process for Preparing High-Purity 2-(5-(Dimethylamino)naphthalene-1-sulfonamido)pentanedioic acid" [P]. 中国发明专利, 专利号 CN 114929715 A, 授权公告日 2020-05-24.
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