发明人杨光,何建平,马晓峰. "Method for the Synthesis of Salmeterol Impurity 9" [P]. 中国发明专利, 专利号 CN 112761079 B, 授权公告日 2022-03-17.
Martínez F, Nielsen H, Johansson L. "A Process for Preparing High-Purity Salmeterol Impurity 9" [P]. European Patent, EP 3467048 A1, 2020-12-08.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 沙美特罗杂质9 in Pharmaceutical Formulations". Anal. Chem., 2021, 2310, 6374-6399.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 沙美特罗杂质9 as an Impurity". Rapid Commun. Mass Spectrom., 2011, 832, (10), 3527-3534.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Salmeterol Impurity 9 Using HRMS and NMR". Environ. Sci. Technol., 2010, 482, (9), 3006-3010.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate 沙美特罗杂质9 Profile in Drug Substances According to ICH Guidelines". Molecules, 2024, 755, (2), 173-203.