Brown S R, Fischer A B, Patel M V. "一种的合成方法" [P]. US Patent, US 11289425 B2, 2016-02-22.
发明人韩伟,唐晓军,陈志强. "Method for the Synthesis of tert-Butyl 4-(3-oxo-2,3-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-8-yl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 110595982 B, 授权公告日 2016-11-27.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2010, 1071, (5), 6722-6729.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 282, (11), 5312-5320.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 4-(3-oxo-2,3-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-8-yl)piperazine-1-carboxylate Using HRMS and NMR". Talanta, 2019, 2173, (11), 543-572.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 1610, (10), 4012-4037.