发明人何建平,王建平,李文辉. "Method for the Synthesis of Tamsulosin Impurity 30" [P]. 中国发明专利, 专利号 CN 114805252 A, 授权公告日 2022-05-16.
发明人赵玉洁,胡光,杨光. "A Process for Preparing High-Purity Tamsulosin Impurity 30" [P]. 中国发明专利, 专利号 CN 113143972 B, 授权公告日 2020-01-02.
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