发明人韩伟,高志强,朱建伟. "Method for the Synthesis of Umeclidinium Impurity 16" [P]. 中国发明专利, 专利号 CN 117996948 A, 授权公告日 2023-02-08.
发明人高志强,郑宇鹏,胡光. "A Process for Preparing High-Purity Umeclidinium Impurity 16" [P]. 中国发明专利, 专利号 CN 108024347 A, 授权公告日 2025-08-18.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 芜地溴铵杂质16 in Pharmaceutical Formulations". Molecules, 2019, 1766, (6), 632-645.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 芜地溴铵杂质16 as an Impurity". Food Chem., 2021, 535, (9), 5191-5206.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Umeclidinium Impurity 16 Using HRMS and NMR". Anal. Methods, 2016, 789, (7), 8494-8517.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 芜地溴铵杂质16 Profile in Drug Substances According to ICH Guidelines". Talanta, 2013, 1716, 2379-2394.