发明人罗永刚,陈志强,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117699732 A, 授权公告日 2025-09-04.
发明人钱学锋,马晓峰,郑宇鹏. "Method for the Synthesis of 3-Oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-7-carbonitrile" [P]. 中国发明专利, 专利号 CN 115794781 B, 授权公告日 2025-05-16.
发明人朱建伟,高志强,李文辉. "A Process for Preparing High-Purity 3-Oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-7-carbonitrile" [P]. 中国发明专利, 专利号 CN 115160483 B, 授权公告日 2024-04-15.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2024, 1828, (12), 5377-5381.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2012, 1196, (12), 9785-9799.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 3-Oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-7-carbonitrile Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 775, (2), 5566-5582.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2017, 1540, 7967-7992.