发明人李文辉,罗永刚,陈志强. "Method for the Synthesis of 3-(4-Chlorophenyl)-5-ethylisoxazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110337062 A, 授权公告日 2020-05-20.
发明人高志强,王建平,郭海燕. "A Process for Preparing High-Purity 3-(4-Chlorophenyl)-5-ethylisoxazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109429562 B, 授权公告日 2019-10-06.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2018, 631, 4036-4062.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2014, 2111, (7), 1521-1543.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-(4-Chlorophenyl)-5-ethylisoxazole-4-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2016, 223, 10000-10010.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2011, 440, (6), 3365-3374.