发明人罗永刚,周伟,陈志强. "Method for the Synthesis of 3-Cyclopropyl-N-isobutyl-1,2,4-oxadiazol-5-amine" [P]. 中国发明专利, 专利号 CN 108500230 B, 授权公告日 2024-02-25.
Chen K W, Johnson M A, Roberts E F. "A Process for Preparing High-Purity 3-Cyclopropyl-N-isobutyl-1,2,4-oxadiazol-5-amine" [P]. US Patent, US 11630613 B2, 2015-06-26.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2017, 281, (10), 4148-4173.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2019, 1720, 1450-1461.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3-Cyclopropyl-N-isobutyl-1,2,4-oxadiazol-5-amine Using HRMS and NMR". Anal. Methods, 2023, 1449, (10), 7608-7615.