发明人林芳,冯建国,郑宇鹏. "Method for the Synthesis of Indacaterol Impurity 93" [P]. 中国发明专利, 专利号 CN 111332906 A, 授权公告日 2019-10-04.
Williams B T, Stevens L M, Lee S K. "A Process for Preparing High-Purity Indacaterol Impurity 93" [P]. US Patent, US 9869293 B2, 2024-12-15.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 茚达特罗杂质93 in Pharmaceutical Formulations". Chromatographia, 2017, 1843, (7), 1155-1167.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 茚达特罗杂质93 as an Impurity". Sci. Total Environ., 2018, 666, (3), 464-468.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Indacaterol Impurity 93 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2018, 1249, 5224-5234.