发明人韩伟,郑宇鹏,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111163372 A, 授权公告日 2021-03-02.
发明人冯建国,钱学锋,陈志强. "Method for the Synthesis of Methyl 2-phenylpyrazolo[1,5-b]pyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113982519 A, 授权公告日 2019-06-21.
发明人郑宇鹏,杨光,胡光. "A Process for Preparing High-Purity Methyl 2-phenylpyrazolo[1,5-b]pyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110798073 B, 授权公告日 2022-08-05.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2018, 350, (4), 6056-6076.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2010, 2344, (9), 4530-4549.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-phenylpyrazolo[1,5-b]pyridazine-3-carboxylate Using HRMS and NMR". Phytochemistry, 2013, 2175, 4621-4638.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2010, 755, (5), 9757-9784.