发明人高志强,林芳,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111738482 A, 授权公告日 2016-10-24.
发明人周伟,赵玉洁,黄志刚. "Method for the Synthesis of 1-Methyl-5-(2-oxo-2-phenylethyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 108886964 A, 授权公告日 2023-09-09.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2022, 1046, 7347-7365.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2015, 1788, 9091-9113.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-5-(2-oxo-2-phenylethyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one Using HRMS and NMR". J. Nat. Prod., 2021, 737, 597-627.