发明人周伟,孙丽萍,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115737552 A, 授权公告日 2017-07-17.
发明人唐晓军,王建平,刘建华. "Method for the Synthesis of 7-Aminopyrazolo[1,5-a]pyrimidin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 117571633 B, 授权公告日 2018-07-28.
发明人张德明,赵玉洁,徐明华. "A Process for Preparing High-Purity 7-Aminopyrazolo[1,5-a]pyrimidin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 110694550 A, 授权公告日 2019-12-20.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2011, 1075, (4), 3584-3589.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2010, 1599, (11), 9032-9045.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 7-Aminopyrazolo[1,5-a]pyrimidin-2(1H)-one Using HRMS and NMR". J. Sep. Sci., 2010, 1752, (7), 4093-4098.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2015, 312, 4776-4796.