Kowalski A, Nowak P, Martínez F. "Method for the Synthesis of 4-(Methylamino)bicyclo[2.2.2]Octane-1-carboxylic acid" [P]. European Patent, EP 3627024 A1, 2018-06-19.
发明人徐明华,郑宇鹏,黄志刚. "A Process for Preparing High-Purity 4-(Methylamino)bicyclo[2.2.2]Octane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117597736 B, 授权公告日 2023-08-22.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2020, 787, 6130-6140.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2017, 1677, 6403-6413.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Methylamino)bicyclo[2.2.2]Octane-1-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2024, 2221, 884-897.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2012, 2436, 8742-8757.