发明人王建平,钱学锋,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116008338 A, 授权公告日 2016-12-08.
发明人朱建伟,孙丽萍,唐晓军. "Method for the Synthesis of 2-[4-(4-Methoxyphenyl)-2-methyl-3-oxo-1,2,4-oxadiazolan-5-yl]acetic acid" [P]. 中国发明专利, 专利号 CN 112729937 A, 授权公告日 2025-10-28.
发明人徐明华,黄志刚,韩伟. "A Process for Preparing High-Purity 2-[4-(4-Methoxyphenyl)-2-methyl-3-oxo-1,2,4-oxadiazolan-5-yl]acetic acid" [P]. 中国发明专利, 专利号 CN 113478619 B, 授权公告日 2017-07-10.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2015, 453, (5), 4841-4868.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2012, 491, 3403-3416.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-[4-(4-Methoxyphenyl)-2-methyl-3-oxo-1,2,4-oxadiazolan-5-yl]acetic acid Using HRMS and NMR". Sci. Total Environ., 2020, 1384, (10), 3014-3036.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2016, 926, 4700-4705.