Rossi M, Nowak P, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3292919 A1, 2023-11-19.
Roberts E F, Johnson M A, Williams B T. "Method for the Synthesis of 3-(3-Methyl-1,2,4-oxadiazol-5-yl)cyclobutan-1-one" [P]. US Patent, US 9612958 B2, 2019-12-15.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2013, 286, 1065-1082.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2023, 1006, (5), 739-746.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 3-(3-Methyl-1,2,4-oxadiazol-5-yl)cyclobutan-1-one Using HRMS and NMR". Chemosphere, 2013, 1940, 9692-9718.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2013, 237, (11), 850-863.