发明人何建平,孙丽萍,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112078314 A, 授权公告日 2019-04-05.
发明人马晓峰,刘建华,沈红梅. "Method for the Synthesis of 2-(4,6-Dimethyl-2-oxoindolin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 108617172 B, 授权公告日 2018-10-10.
Fischer A B, Patel M V, Kumar R. "A Process for Preparing High-Purity 2-(4,6-Dimethyl-2-oxoindolin-3-yl)acetic acid" [P]. US Patent, US 11752016 B2, 2025-06-26.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2022, 2273, 3113-3139.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2016, 2129, 2907-2919.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4,6-Dimethyl-2-oxoindolin-3-yl)acetic acid Using HRMS and NMR". Talanta, 2011, 1566, 856-860.