Mueller T, Lee S K, Schröder R. "一种茚达特罗杂质5的合成方法" [P]. US Patent, US 9249206 B2, 2018-11-07.
发明人马晓峰,赵玉洁,唐晓军. "Method for the Synthesis of Indacaterol Impurity 5" [P]. 中国发明专利, 专利号 CN 117431434 A, 授权公告日 2022-08-14.
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