发明人徐明华,何建平,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115915848 A, 授权公告日 2024-03-16.
发明人周伟,郭海燕,刘建华. "Method for the Synthesis of 3-(2,4-Difluorophenyl)-5-methylisoxazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111928113 B, 授权公告日 2017-10-06.
发明人徐明华,罗永刚,黄志刚. "A Process for Preparing High-Purity 3-(2,4-Difluorophenyl)-5-methylisoxazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116111243 A, 授权公告日 2021-02-07.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2023, 1023, 883-899.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2015, 1600, (3), 5692-5711.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2,4-Difluorophenyl)-5-methylisoxazole-4-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2025, 188, (4), 5348-5377.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2020, 1503, 6371-6396.