Roberts E F, Lee S K, Anderson J P. "一种的合成方法" [P]. US Patent, US 11991785 B2, 2023-12-07.
O'Brien P Q, Klinger H, Mueller T. "Method for the Synthesis of 1-Phenyl-1H-pyrazolo[3,4-b]quinoxalin-3(2H)-one" [P]. US Patent, US 9954823 B2, 2020-12-22.
发明人陈志强,钱学锋,唐晓军. "A Process for Preparing High-Purity 1-Phenyl-1H-pyrazolo[3,4-b]quinoxalin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 110074099 B, 授权公告日 2018-05-18.
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". Biomed. Chromatogr., 2018, 1996, 9224-9252.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2018, 1390, (2), 6113-6127.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 1-Phenyl-1H-pyrazolo[3,4-b]quinoxalin-3(2H)-one Using HRMS and NMR". J. Pharm. Biomed. Anal., 2011, 2044, (10), 8077-8098.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2016, 291, (10), 6881-6898.