Johansson L, Nowak P, Martínez F. "一种的合成方法" [P]. European Patent, EP 3265886 A1, 2024-05-02.
发明人张德明,高志强,周伟. "Method for the Synthesis of Methyl 5-amino-1-(2,4-dimethylphenyl)-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 117996959 A, 授权公告日 2021-11-11.
发明人高志强,孙丽萍,李文辉. "A Process for Preparing High-Purity Methyl 5-amino-1-(2,4-dimethylphenyl)-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 109791985 B, 授权公告日 2023-12-17.
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". Chromatographia, 2011, 790, 9028-9039.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2016, 645, (12), 3334-3338.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-amino-1-(2,4-dimethylphenyl)-1H-pyrazole-4-carboxylate Using HRMS and NMR". J. Nat. Prod., 2021, 2278, (9), 3331-3347.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2019, 1806, (12), 4397-4403.