发明人王建平,韩伟,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115696884 A, 授权公告日 2017-08-10.
Anderson J P, Lee S K, Chen K W. "Method for the Synthesis of 7-Hydroxypyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one" [P]. US Patent, US 10691559 B2, 2019-01-01.
发明人周伟,杨光,沈红梅. "A Process for Preparing High-Purity 7-Hydroxypyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 112025961 A, 授权公告日 2020-01-02.
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". J. Nat. Prod., 2010, 2276, (4), 7731-7757.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2011, 242, (7), 3899-3904.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 7-Hydroxypyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one Using HRMS and NMR". Molecules, 2024, 1501, (12), 9428-9444.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2021, 1700, 4125-4142.