发明人郭海燕,钱学锋,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116246701 A, 授权公告日 2024-08-07.
Klinger H, Davis P L, Stevens L M. "Method for the Synthesis of 7-Amino-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile" [P]. US Patent, US 9319504 B2, 2016-08-04.
发明人高志强,杨光,王建平. "A Process for Preparing High-Purity 7-Amino-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 110531471 B, 授权公告日 2020-01-18.
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". Chromatographia, 2022, 2206, 7474-7502.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2016, 2141, 3584-3588.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 7-Amino-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile Using HRMS and NMR". Food Chem., 2018, 261, (9), 8321-8326.