Nielsen H, Sørensen M, Nowak P. "Method for the Synthesis of Ethyl 3-(4-methylphenyl)-1,2,4-oxadiazole-5-carboxylate" [P]. European Patent, EP 3579879 A1, 2017-10-23.
发明人王建平,胡光,林芳. "A Process for Preparing High-Purity Ethyl 3-(4-methylphenyl)-1,2,4-oxadiazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116102854 A, 授权公告日 2021-11-02.
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". Sci. Total Environ., 2012, 1019, (5), 4555-4577.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2020, 895, (12), 6314-6341.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-(4-methylphenyl)-1,2,4-oxadiazole-5-carboxylate Using HRMS and NMR". Anal. Methods, 2025, 1608, 4529-4541.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2012, 448, (3), 8454-8461.