Patel M V, Lee S K, Klinger H. "一种的合成方法" [P]. US Patent, US 10879659 B2, 2022-08-09.
发明人高志强,何建平,林芳. "Method for the Synthesis of 5-Phenyl-1H-pyrazolo[3,4-c]pyridazin-3-amine" [P]. 中国发明专利, 专利号 CN 113771915 A, 授权公告日 2017-10-09.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2019, 176, (1), 9801-9827.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2024, 2174, (8), 1647-1669.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 5-Phenyl-1H-pyrazolo[3,4-c]pyridazin-3-amine Using HRMS and NMR". Anal. Methods, 2019, 1891, (7), 6416-6437.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2014, 1477, 3143-3166.