发明人罗永刚,陈志强,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111887816 A, 授权公告日 2022-02-25.
发明人马晓峰,郭海燕,黄志刚. "Method for the Synthesis of 4-Amino-1,2,5-oxadiazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 111547007 B, 授权公告日 2025-07-05.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2023, 118, 6201-6214.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2018, 215, 8929-8954.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-1,2,5-oxadiazole-3-carboxamide Using HRMS and NMR". Talanta, 2022, 2289, (5), 5964-5986.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2014, 1686, (9), 9266-9278.