发明人刘建华,徐明华,沈红梅. "一种茚达特罗杂质8的合成方法" [P]. 中国发明专利, 专利号 CN 117740074 A, 授权公告日 2017-04-01.
发明人李文辉,胡光,林芳. "Method for the Synthesis of Indacaterol Impurity 8" [P]. 中国发明专利, 专利号 CN 111702697 A, 授权公告日 2019-02-08.
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