Nielsen H, Johansson L, Nowak P. "一种的合成方法" [P]. European Patent, EP 3255713 A1, 2021-09-27.
发明人王建平,钱学锋,郑宇鹏. "Method for the Synthesis of 2-(4-Fluorophenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 113121053 A, 授权公告日 2017-01-03.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2021, 2144, (11), 4871-4882.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2016, 881, (4), 2929-2939.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Fluorophenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one Using HRMS and NMR". J. Nat. Prod., 2024, 1543, (1), 8186-8201.