发明人唐晓军,马晓峰,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108322260 A, 授权公告日 2022-02-05.
Björnsson E, Sørensen M, Rossi M. "Method for the Synthesis of 4-Azaspiro[2.5]octane-7-carboxylic acid hydrochloride" [P]. European Patent, EP 3525306 A1, 2019-07-01.
发明人高志强,周伟,唐晓军. "A Process for Preparing High-Purity 4-Azaspiro[2.5]octane-7-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 112033498 A, 授权公告日 2015-05-05.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2015, 375, (1), 5782-5800.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 1968, 8614-8633.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-Azaspiro[2.5]octane-7-carboxylic acid hydrochloride Using HRMS and NMR". Anal. Methods, 2023, 2190, (2), 4977-4987.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2024, 2156, (5), 406-431.