Lee S K, Chen K W, Stevens L M. "一种的合成方法" [P]. US Patent, US 9139568 B2, 2019-05-16.
发明人郑宇鹏,韩伟,徐明华. "Method for the Synthesis of 1,8-Dimethyl-1H-pyrazolo[3,4-b]quinolin-3-amine" [P]. 中国发明专利, 专利号 CN 116051227 B, 授权公告日 2017-12-06.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2015, 1453, 6896-6902.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 1965, 5139-5143.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1,8-Dimethyl-1H-pyrazolo[3,4-b]quinolin-3-amine Using HRMS and NMR". J. Sep. Sci., 2012, 500, 3545-3548.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2013, 1779, 1478-1487.