发明人韩伟,罗永刚,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108409017 A, 授权公告日 2018-04-27.
发明人周伟,黄志刚,高志强. "Method for the Synthesis of 4-ethyl-1,2,5-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114377586 B, 授权公告日 2024-06-27.
发明人何建平,张德明,胡光. "A Process for Preparing High-Purity 4-ethyl-1,2,5-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110217253 A, 授权公告日 2021-09-13.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 542, 8142-8166.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2018, 1610, (1), 4-17.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-ethyl-1,2,5-oxadiazole-3-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2018, 903, (4), 4239-4264.