发明人赵玉洁,王建平,刘建华. "Method for the Synthesis of 2-{[(3-Methyl-5-oxo-1-phenyl-1,5-dihydro-4H-pyrazol-4-yliden)methyl]amino}benzenecarbonitrile" [P]. 中国发明专利, 专利号 CN 114623642 A, 授权公告日 2022-07-22.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2021, 675, 4465-4494.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2013, 868, 1228-1251.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-{[(3-Methyl-5-oxo-1-phenyl-1,5-dihydro-4H-pyrazol-4-yliden)methyl]amino}benzenecarbonitrile Using HRMS and NMR". Food Chem., 2013, 192, (12), 4785-4803.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2024, 2463, 4775-4783.