发明人周伟,沈红梅,徐明华. "Method for the Synthesis of 5-Amino-1-(2-fluorophenyl)-1H-pyrazole-4-carbohydrazide" [P]. 中国发明专利, 专利号 CN 111215317 A, 授权公告日 2018-06-25.
发明人王建平,刘建华,陈志强. "A Process for Preparing High-Purity 5-Amino-1-(2-fluorophenyl)-1H-pyrazole-4-carbohydrazide" [P]. 中国发明专利, 专利号 CN 108720575 A, 授权公告日 2022-07-17.
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". Anal. Chim. Acta, 2016, 844, (5), 2057-2069.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 1678, (12), 9531-9545.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-1-(2-fluorophenyl)-1H-pyrazole-4-carbohydrazide Using HRMS and NMR". Environ. Sci. Technol., 2018, 847, (4), 7008-7024.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2013, 1023, 3075-3093.