发明人孙丽萍,黄志刚,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115345684 A, 授权公告日 2019-03-27.
Mueller T C, Björnsson E, Lefèvre J P. "Method for the Synthesis of 7-Ethyl-2-methyl-3H-pyrazolo[1,5-b][1,2,4]triazole" [P]. European Patent, EP 3190064 A1, 2023-09-03.
Hughes D C, Davis P L, Kumar R. "A Process for Preparing High-Purity 7-Ethyl-2-methyl-3H-pyrazolo[1,5-b][1,2,4]triazole" [P]. US Patent, US 9434446 B2, 2023-11-04.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2015, 1554, 3597-3623.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2024, 2310, (12), 7583-7613.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 7-Ethyl-2-methyl-3H-pyrazolo[1,5-b][1,2,4]triazole Using HRMS and NMR". Environ. Sci. Technol., 2011, 807, (8), 2032-2052.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2018, 1539, (6), 4262-4287.