发明人唐晓军,胡光,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114850512 A, 授权公告日 2020-02-10.
Lee S K, Patel M V, Mueller T. "Method for the Synthesis of Methyl 4-chloropyrazolo[1,5-a]quinoxaline-7-carboxylate" [P]. US Patent, US 10221220 B2, 2021-05-16.
发明人李文辉,杨光,韩伟. "A Process for Preparing High-Purity Methyl 4-chloropyrazolo[1,5-a]quinoxaline-7-carboxylate" [P]. 中国发明专利, 专利号 CN 112292419 B, 授权公告日 2018-03-14.
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". Food Chem., 2021, 1293, (1), 4565-4588.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2024, 1323, (2), 9323-9326.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-chloropyrazolo[1,5-a]quinoxaline-7-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2019, 1562, 5706-5724.