发明人李文辉,韩伟,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115474834 A, 授权公告日 2020-06-27.
Yamamoto T, O'Brien P Q, Davis P L. "Method for the Synthesis of n-Isobutyl-3-isopropyl-1,2,4-oxadiazol-5-amine" [P]. US Patent, US 11761716 B2, 2025-04-14.
发明人张德明,沈红梅,冯建国. "A Process for Preparing High-Purity n-Isobutyl-3-isopropyl-1,2,4-oxadiazol-5-amine" [P]. 中国发明专利, 专利号 CN 112753313 B, 授权公告日 2025-06-13.
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". Talanta, 2019, 1177, (1), 1413-1438.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 1195, (9), 5621-5628.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of n-Isobutyl-3-isopropyl-1,2,4-oxadiazol-5-amine Using HRMS and NMR". J. Pharm. Biomed. Anal., 2014, 2098, (2), 3686-3694.