发明人林芳,郭海燕,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115803860 A, 授权公告日 2019-03-19.
发明人孙丽萍,郭海燕,周伟. "Method for the Synthesis of 4-Isopropyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-7-carbonitrile" [P]. 中国发明专利, 专利号 CN 110135570 B, 授权公告日 2019-05-25.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2012, 174, 7497-7518.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2012, 450, (8), 7544-7571.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4-Isopropyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-7-carbonitrile Using HRMS and NMR". J. Nat. Prod., 2020, 749, (7), 1237-1256.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2020, 909, 2929-2951.