发明人冯建国,徐明华,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112378498 A, 授权公告日 2024-07-20.
发明人李文辉,罗永刚,刘建华. "Method for the Synthesis of 5-(2-Aminoethyl)-2-phenylpyrazolo[1,5-a]pyrazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 117337616 A, 授权公告日 2022-07-02.
发明人杨光,沈红梅,林芳. "A Process for Preparing High-Purity 5-(2-Aminoethyl)-2-phenylpyrazolo[1,5-a]pyrazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 108363400 A, 授权公告日 2024-04-04.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2014, 239, 9101-9107.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2024, 1259, 2866-2888.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2-Aminoethyl)-2-phenylpyrazolo[1,5-a]pyrazin-4(5H)-one Using HRMS and NMR". Food Chem., 2015, 1060, (7), 3922-3940.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2021, 227, 5319-5331.