发明人马晓峰,钱学锋,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110849052 A, 授权公告日 2017-01-24.
发明人孙丽萍,沈红梅,钱学锋. "Method for the Synthesis of 5,7-Difluorochroman" [P]. 中国发明专利, 专利号 CN 114332527 B, 授权公告日 2018-12-05.
Thompson G K, Lee S K, Patel M V. "A Process for Preparing High-Purity 5,7-Difluorochroman" [P]. US Patent, US 11514968 B2, 2018-03-15.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2017, 1788, (2), 2578-2603.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2020, 2364, 8303-8317.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 5,7-Difluorochroman Using HRMS and NMR". Sci. Total Environ., 2019, 1115, (6), 983-1008.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2011, 406, (7), 9694-9697.