发明人孙丽萍,赵玉洁,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109937568 A, 授权公告日 2020-05-24.
Rossi M, Lefèvre J P, Schröder R. "Method for the Synthesis of 4-(Ethoxycarbonyl)bicyclo[2.2.2]octane-1-carboxylic acid" [P]. European Patent, EP 3776744 A1, 2016-08-02.
发明人郭海燕,朱建伟,唐晓军. "A Process for Preparing High-Purity 4-(Ethoxycarbonyl)bicyclo[2.2.2]octane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112970909 A, 授权公告日 2019-08-01.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 1547, (2), 1423-1432.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2023, 2214, 4534-4552.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Ethoxycarbonyl)bicyclo[2.2.2]octane-1-carboxylic acid Using HRMS and NMR". Chromatographia, 2014, 950, 3215-3228.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2012, 426, 6765-6791.