发明人张德明,孙丽萍,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116854123 A, 授权公告日 2017-07-07.
发明人朱建伟,沈红梅,徐明华. "Method for the Synthesis of 4-Amino-N-cyclopentyl-1,2,5-oxadiazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 109855896 B, 授权公告日 2023-11-15.
发明人沈红梅,黄志刚,罗永刚. "A Process for Preparing High-Purity 4-Amino-N-cyclopentyl-1,2,5-oxadiazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 108530688 B, 授权公告日 2021-10-26.
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". J. Pharm. Biomed. Anal., 2016, 2352, 426-455.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2018, 1489, (10), 9459-9487.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-N-cyclopentyl-1,2,5-oxadiazole-3-carboxamide Using HRMS and NMR". Molecules, 2021, 714, (6), 4817-4833.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2022, 1483, (5), 652-682.