发明人马晓峰,孙丽萍,钱学锋. "Method for the Synthesis of Methyl (6-chloro-7-hydroxy-4-methyl-2-oxo-2H-chromen-3-yl)acetate" [P]. 中国发明专利, 专利号 CN 115377181 B, 授权公告日 2017-12-28.
发明人钱学锋,王建平,郑宇鹏. "A Process for Preparing High-Purity Methyl (6-chloro-7-hydroxy-4-methyl-2-oxo-2H-chromen-3-yl)acetate" [P]. 中国发明专利, 专利号 CN 109878486 A, 授权公告日 2025-07-01.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2013, 2298, (1), 3763-3780.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2010, 775, (7), 1562-1576.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Methyl (6-chloro-7-hydroxy-4-methyl-2-oxo-2H-chromen-3-yl)acetate Using HRMS and NMR". Talanta, 2014, 1562, (4), 4482-4510.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2021, 2086, (4), 8387-8391.