Nielsen H, Jørgensen K, Schröder R. "Method for the Synthesis of 5-(5-Methylisoxazol-4-yl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. European Patent, EP 3749830 A1, 2024-04-12.
发明人刘建华,徐明华,唐晓军. "A Process for Preparing High-Purity 5-(5-Methylisoxazol-4-yl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108572786 B, 授权公告日 2015-03-06.
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". Environ. Sci. Technol., 2010, 1888, (10), 6811-6836.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2010, 2151, (12), 5257-5286.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5-(5-Methylisoxazol-4-yl)-1,2,4-oxadiazole-3-carboxylic acid Using HRMS and NMR". Food Chem., 2019, 2318, (12), 7263-7282.