发明人沈红梅,赵玉洁,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117659050 A, 授权公告日 2021-08-24.
发明人冯建国,高志强,杨光. "Method for the Synthesis of 4-(4-Chloro-2-fluorobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110892172 B, 授权公告日 2023-12-14.
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". Rapid Commun. Mass Spectrom., 2013, 1779, (6), 1182-1185.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2024, 589, 3470-3495.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Chloro-2-fluorobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2015, 2312, 5629-5639.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2020, 2480, (4), 4098-4111.