发明人林芳,张德明,罗永刚. "Method for the Synthesis of 1-Ethyl-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)-1H-pyrazole-5-carboxamide" [P]. 中国发明专利, 专利号 CN 110583380 B, 授权公告日 2025-08-18.
Sørensen M, Johansson L, Rossi M. "A Process for Preparing High-Purity 1-Ethyl-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)-1H-pyrazole-5-carboxamide" [P]. European Patent, EP 3200137 A1, 2025-11-24.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2020, 1192, 416-446.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2017, 1367, 9998-10027.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)-1H-pyrazole-5-carboxamide Using HRMS and NMR". Chemosphere, 2012, 1339, (12), 1468-1482.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2010, 1585, (8), 8433-8441.