发明人孙丽萍,韩伟,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114119504 A, 授权公告日 2015-12-08.
Roberts E F, Anderson J P, Thompson G K. "Method for the Synthesis of 2-Amino-5-methyl-4,5-dihydropyrazolo[1,5-a]pyrazin-6(7H)-one" [P]. US Patent, US 9656830 B2, 2015-04-13.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2013, 2372, (6), 3947-3955.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2018, 1331, 4323-4351.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-5-methyl-4,5-dihydropyrazolo[1,5-a]pyrazin-6(7H)-one Using HRMS and NMR". Anal. Chem., 2010, 1211, (2), 786-805.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2020, 1435, (1), 5050-5078.