Mueller T C, Jørgensen K, Schröder R. "一种的合成方法" [P]. European Patent, EP 3276696 A1, 2020-10-02.
发明人周伟,钱学锋,马晓峰. "Method for the Synthesis of 1,1-Difluoro-6-azaspiro[2.5]octane" [P]. 中国发明专利, 专利号 CN 112724501 A, 授权公告日 2018-08-23.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2023, 246, 8305-8328.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2022, 1404, (4), 1564-1581.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 1,1-Difluoro-6-azaspiro[2.5]octane Using HRMS and NMR". J. Nat. Prod., 2023, 1143, (7), 959-966.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2025, 2013, 5204-5207.