发明人钱学锋,高志强,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110102418 A, 授权公告日 2018-12-05.
发明人周伟,何建平,马晓峰. "Method for the Synthesis of 3,3-Difluoro-1-(3-fluoro-2-(trifluoromethyl)-phenyl)azetidine" [P]. 中国发明专利, 专利号 CN 109980327 B, 授权公告日 2020-02-10.
发明人孙丽萍,何建平,林芳. "A Process for Preparing High-Purity 3,3-Difluoro-1-(3-fluoro-2-(trifluoromethyl)-phenyl)azetidine" [P]. 中国发明专利, 专利号 CN 109002123 A, 授权公告日 2025-06-11.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2016, 356, 6861-6870.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2019, 1373, (7), 7434-7455.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 3,3-Difluoro-1-(3-fluoro-2-(trifluoromethyl)-phenyl)azetidine Using HRMS and NMR". Phytochemistry, 2019, 1682, 6946-6976.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2022, 1212, (10), 1899-1918.