发明人郭海燕,唐晓军,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114808678 A, 授权公告日 2024-07-14.
Schröder R, Björnsson E, Mueller T C. "Method for the Synthesis of 6-(2-Hydroxyethyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidin-7(1H)-one" [P]. European Patent, EP 3219435 A1, 2019-11-03.
发明人杨光,赵玉洁,陈志强. "A Process for Preparing High-Purity 6-(2-Hydroxyethyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidin-7(1H)-one" [P]. 中国发明专利, 专利号 CN 113348836 B, 授权公告日 2016-07-14.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2024, 1391, (9), 4790-4814.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2013, 1542, (5), 5969-5983.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 6-(2-Hydroxyethyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidin-7(1H)-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 2006, (2), 9232-9240.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2018, 778, 7602-7616.