发明人胡光,徐明华,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108582352 A, 授权公告日 2016-05-06.
Nielsen H, Nowak P, Björnsson E. "Method for the Synthesis of 2-(6-Chloro-4-oxochroman-3-yl)acetic acid" [P]. European Patent, EP 3943834 A1, 2021-09-09.
发明人孙丽萍,冯建国,徐明华. "A Process for Preparing High-Purity 2-(6-Chloro-4-oxochroman-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109964936 B, 授权公告日 2019-12-05.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2010, 1573, (6), 2612-2625.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2020, 820, 947-962.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(6-Chloro-4-oxochroman-3-yl)acetic acid Using HRMS and NMR". Talanta, 2018, 1737, 1214-1244.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2017, 1360, 2100-2114.