Chen K W, Fischer A B, Schröder R. "一种的合成方法" [P]. US Patent, US 9345141 B2, 2017-09-05.
发明人王建平,孙丽萍,何建平. "Method for the Synthesis of 8-bromo-6-fluoro-4-hydroxy-3-methyl-chromene-2-thione" [P]. 中国发明专利, 专利号 CN 113981330 A, 授权公告日 2022-05-26.
发明人高志强,徐明华,钱学锋. "A Process for Preparing High-Purity 8-bromo-6-fluoro-4-hydroxy-3-methyl-chromene-2-thione" [P]. 中国发明专利, 专利号 CN 112830405 A, 授权公告日 2024-11-24.
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". J. Sep. Sci., 2014, 1436, 9085-9099.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2015, 886, 1930-1941.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 8-bromo-6-fluoro-4-hydroxy-3-methyl-chromene-2-thione Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 915, 9737-9751.