Jørgensen K, Schröder R, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3524360 A1, 2019-02-26.
Patel M V, Anderson J P, Park J H. "Method for the Synthesis of Epalrestat Impurity 12" [P]. US Patent, US 11923826 B2, 2015-07-26.
发明人何建平,罗永刚,高志强. "A Process for Preparing High-Purity Epalrestat Impurity 12" [P]. 中国发明专利, 专利号 CN 108994275 B, 授权公告日 2024-01-26.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2010, 223, (10), 9081-9105.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2019, 2303, 922-931.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Epalrestat Impurity 12 Using HRMS and NMR". Anal. Chim. Acta, 2013, 1131, (8), 3927-3955.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2012, 1373, 1964-1968.