Davis P L, Stevens L M, Chen K W. "一种的合成方法" [P]. US Patent, US 10577352 B2, 2017-07-28.
发明人杨光,高志强,钱学锋. "Method for the Synthesis of 4-Oxo-4H-[1,3]thiazino[3,2-a]benzimidazole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114553651 A, 授权公告日 2015-12-21.
发明人韩伟,胡光,李文辉. "A Process for Preparing High-Purity 4-Oxo-4H-[1,3]thiazino[3,2-a]benzimidazole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114098476 B, 授权公告日 2023-03-22.
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". Anal. Chim. Acta, 2016, 2472, (2), 1910-1930.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2024, 2367, (5), 6739-6746.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4-Oxo-4H-[1,3]thiazino[3,2-a]benzimidazole-2-carboxylic acid Using HRMS and NMR". Chemosphere, 2013, 1675, (8), 5315-5319.