发明人郑宇鹏,陈志强,钱学锋. "Method for the Synthesis of (1H-Pyrazol-4-yl)(pyridazin-3-yl)methanone" [P]. 中国发明专利, 专利号 CN 112585609 B, 授权公告日 2025-03-27.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". J. Agric. Food Chem., 2021, 540, (8), 9055-9078.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". J. Sep. Sci., 2019, 1648, (4), 6282-6285.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of (1H-Pyrazol-4-yl)(pyridazin-3-yl)methanone Using HRMS and NMR". Anal. Chim. Acta, 2014, 1386, (8), 9018-9030.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2020, 1628, 7524-7548.