Patel M V, Hughes D C, Brown S R. "一种的合成方法" [P]. US Patent, US 10290713 B2, 2020-09-27.
发明人唐晓军,林芳,杨光. "Method for the Synthesis of 2-Methyl-4,5-dihydropyrazolo[1,5-a]quinoxaline" [P]. 中国发明专利, 专利号 CN 112062902 B, 授权公告日 2022-06-02.
发明人沈红梅,李文辉,何建平. "A Process for Preparing High-Purity 2-Methyl-4,5-dihydropyrazolo[1,5-a]quinoxaline" [P]. 中国发明专利, 专利号 CN 116733316 B, 授权公告日 2018-08-20.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2019, 2267, 8374-8377.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2023, 1818, (4), 1803-1828.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-4,5-dihydropyrazolo[1,5-a]quinoxaline Using HRMS and NMR". Molecules, 2014, 517, 1018-1035.