发明人钱学锋,朱建伟,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108254164 A, 授权公告日 2016-02-14.
发明人唐晓军,黄志刚,李文辉. "Method for the Synthesis of 2-Morpholino-2-oxoethyl 4-amino-1,2,5-oxadiazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113107432 B, 授权公告日 2025-05-08.
发明人孙丽萍,朱建伟,陈志强. "A Process for Preparing High-Purity 2-Morpholino-2-oxoethyl 4-amino-1,2,5-oxadiazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116429927 A, 授权公告日 2019-01-14.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2010, 1028, 36-44.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2020, 2171, 3946-3954.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Morpholino-2-oxoethyl 4-amino-1,2,5-oxadiazole-3-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2017, 2359, 950-957.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2014, 2312, (5), 4547-4574.