发明人李文辉,张德明,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112186385 A, 授权公告日 2016-10-04.
Johansson L, Nielsen H, Rossi M. "Method for the Synthesis of (7,8-Dimethoxy-1-oxo-1h-isothiochromene-3-carbonyl)glycine" [P]. European Patent, EP 3011470 A1, 2017-04-20.
发明人张德明,何建平,周伟. "A Process for Preparing High-Purity (7,8-Dimethoxy-1-oxo-1h-isothiochromene-3-carbonyl)glycine" [P]. 中国发明专利, 专利号 CN 109072243 B, 授权公告日 2015-09-14.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2020, 2464, (8), 896-926.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2019, 1810, 8569-8599.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of (7,8-Dimethoxy-1-oxo-1h-isothiochromene-3-carbonyl)glycine Using HRMS and NMR". Anal. Chem., 2025, 2109, 2244-2266.