发明人郭海燕,王建平,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114047992 A, 授权公告日 2023-07-14.
发明人朱建伟,郭海燕,唐晓军. "Method for the Synthesis of 4-Ethyl-5-methoxy-2-[4-(4-methoxyphenyl)-5-isoxazolyl]phenol" [P]. 中国发明专利, 专利号 CN 114595222 A, 授权公告日 2024-07-06.
发明人林芳,罗永刚,何建平. "A Process for Preparing High-Purity 4-Ethyl-5-methoxy-2-[4-(4-methoxyphenyl)-5-isoxazolyl]phenol" [P]. 中国发明专利, 专利号 CN 113381894 B, 授权公告日 2019-02-14.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2022, 1599, (10), 4400-4420.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2011, 778, (7), 8786-8812.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethyl-5-methoxy-2-[4-(4-methoxyphenyl)-5-isoxazolyl]phenol Using HRMS and NMR". Sci. Total Environ., 2019, 2297, (7), 432-461.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2014, 1319, (9), 8954-8958.