发明人何建平,郑宇鹏,孙丽萍. "Method for the Synthesis of 4-Methyl-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 110337363 A, 授权公告日 2019-07-11.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2015, 889, (12), 168-192.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2017, 2334, (7), 4613-4631.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid hydrochloride Using HRMS and NMR". Food Chem., 2018, 1240, (7), 3445-3451.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2020, 541, (5), 2004-2012.