发明人郑宇鹏,唐晓军,陈志强. "一种茚达特罗杂质7盐酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 110493677 A, 授权公告日 2022-08-17.
发明人李文辉,王建平,罗永刚. "Method for the Synthesis of Indacaterol Impurity 7 HCl" [P]. 中国发明专利, 专利号 CN 110944478 B, 授权公告日 2019-07-08.
发明人高志强,马晓峰,郭海燕. "A Process for Preparing High-Purity Indacaterol Impurity 7 HCl" [P]. 中国发明专利, 专利号 CN 109361634 B, 授权公告日 2023-02-27.
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