发明人李文辉,黄志刚,郑宇鹏. "Method for the Synthesis of (4r)-6,8-Difluoro-3,4-dihydro-2h-1-benzopyran-4-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 110403241 B, 授权公告日 2020-08-01.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2017, 1557, 270-289.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2016, 547, 2258-2262.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of (4r)-6,8-Difluoro-3,4-dihydro-2h-1-benzopyran-4-amine hydrochloride Using HRMS and NMR". Molecules, 2020, 2093, (4), 1003-1015.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2021, 960, (7), 8194-8207.