Roberts E F, Patel M V, Mueller T. "一种的合成方法" [P]. US Patent, US 9036113 B2, 2017-12-06.
发明人何建平,韩伟,刘建华. "Method for the Synthesis of 2-Oxo-2-(phenylamino)ethyl 4-amino-1,2,5-oxadiazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116305864 A, 授权公告日 2024-01-16.
发明人孙丽萍,沈红梅,黄志刚. "A Process for Preparing High-Purity 2-Oxo-2-(phenylamino)ethyl 4-amino-1,2,5-oxadiazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117143330 B, 授权公告日 2017-01-01.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2010, 1046, (4), 349-378.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2024, 1006, 5399-5405.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Oxo-2-(phenylamino)ethyl 4-amino-1,2,5-oxadiazole-3-carboxylate Using HRMS and NMR". Chromatographia, 2011, 1902, (2), 7158-7183.