Fischer A B, Hughes D C, Johnson M A. "一种的合成方法" [P]. US Patent, US 9210356 B2, 2021-08-18.
O'Brien P Q, Roberts E F, Johnson M A. "Method for the Synthesis of N-(4-Methylphenyl)-4H-3,1-benzothiazin-2-amine" [P]. US Patent, US 11497502 B2, 2017-06-09.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2016, 2430, (3), 4799-4824.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2016, 1024, 2743-2773.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of N-(4-Methylphenyl)-4H-3,1-benzothiazin-2-amine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2019, 2210, (9), 5462-5467.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2012, 1512, (5), 3124-3138.