发明人李文辉,刘建华,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111339355 A, 授权公告日 2023-04-15.
发明人杨光,郭海燕,何建平. "Method for the Synthesis of 2-(5-Cyano-2,3-dimethoxyphenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 110186875 B, 授权公告日 2017-01-22.
Park J H, Kumar R, Brown S R. "A Process for Preparing High-Purity 2-(5-Cyano-2,3-dimethoxyphenyl)acetic acid" [P]. US Patent, US 9383877 B2, 2024-09-07.
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". Anal. Chim. Acta, 2015, 1275, (12), 6972-6996.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2010, 492, (12), 3593-3617.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-(5-Cyano-2,3-dimethoxyphenyl)acetic acid Using HRMS and NMR". Biomed. Chromatogr., 2011, 921, 752-759.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2013, 2150, 9515-9519.