发明人郭海燕,孙丽萍,郑宇鹏. "Method for the Synthesis of 5-Amino-1-(3,4-dimethylphenyl)-3-methyl-1H-pyrazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 112494365 B, 授权公告日 2016-09-07.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2011, 572, (8), 1115-1142.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2025, 841, 4867-4890.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-1-(3,4-dimethylphenyl)-3-methyl-1H-pyrazole-4-carbonitrile Using HRMS and NMR". J. Nat. Prod., 2014, 1466, 3294-3298.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2024, 1279, (6), 9952-9957.