Kowalski A, Rossi M, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3684195 A1, 2024-08-15.
发明人马晓峰,郭海燕,黄志刚. "Method for the Synthesis of Ethyl 4-acetamido-1,2,5-oxadiazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108339164 B, 授权公告日 2023-12-24.
发明人周伟,杨光,马晓峰. "A Process for Preparing High-Purity Ethyl 4-acetamido-1,2,5-oxadiazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116984718 A, 授权公告日 2023-06-25.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2010, 147, (12), 1140-1143.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 1862, 278-297.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-acetamido-1,2,5-oxadiazole-3-carboxylate Using HRMS and NMR". Phytochemistry, 2015, 1570, (5), 2945-2948.