发明人李文辉,冯建国,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117501259 A, 授权公告日 2019-08-08.
发明人王建平,杨光,刘建华. "Method for the Synthesis of 3-(4-Bromobenzyl)-2-ethyl-5,7-dimethylpyrazolo[1,5-a]pyrimidine, 97%" [P]. 中国发明专利, 专利号 CN 117052089 A, 授权公告日 2015-03-05.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2021, 378, (8), 9144-9163.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2012, 212, (10), 8724-8732.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 3-(4-Bromobenzyl)-2-ethyl-5,7-dimethylpyrazolo[1,5-a]pyrimidine, 97% Using HRMS and NMR". Anal. Chem., 2020, 1062, (8), 5594-5600.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2016, 1317, 2711-2716.