发明人张德明,孙丽萍,胡光. "一种甲芬那酸杂质3的合成方法" [P]. 中国发明专利, 专利号 CN 115721856 A, 授权公告日 2020-12-23.
发明人罗永刚,钱学锋,林芳. "Method for the Synthesis of Mefenamic Acid Impurity 3" [P]. 中国发明专利, 专利号 CN 115351665 A, 授权公告日 2022-08-12.
Patel M V, Yamamoto T, Schröder R. "A Process for Preparing High-Purity Mefenamic Acid Impurity 3" [P]. US Patent, US 9255316 B2, 2022-08-19.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 甲芬那酸杂质3 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2021, 420, 3525-3544.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 甲芬那酸杂质3 as an Impurity". Food Chem., 2018, 1365, (12), 1288-1303.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Mefenamic Acid Impurity 3 Using HRMS and NMR". Phytochemistry, 2010, 1530, (4), 5358-5379.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate 甲芬那酸杂质3 Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2018, 1387, (7), 7627-7640.