发明人赵玉洁,沈红梅,黄志刚. "一种【停用:重复,询C4X-11879】坦索罗辛杂质48的合成方法" [P]. 中国发明专利, 专利号 CN 116038143 A, 授权公告日 2023-07-25.
发明人孙丽萍,林芳,韩伟. "Method for the Synthesis of Tamsulosin Impurity 48" [P]. 中国发明专利, 专利号 CN 108873655 A, 授权公告日 2018-09-25.
发明人周伟,马晓峰,李文辉. "A Process for Preparing High-Purity Tamsulosin Impurity 48" [P]. 中国发明专利, 专利号 CN 112118739 B, 授权公告日 2025-06-10.
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