发明人张德明,孙丽萍,李文辉. "Method for the Synthesis of 5-AMino-1-(4-chloro-3-methyl-phenyl)-3-methyl-1h-pyrazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 108849209 B, 授权公告日 2024-02-22.
发明人朱建伟,黄志刚,周伟. "A Process for Preparing High-Purity 5-AMino-1-(4-chloro-3-methyl-phenyl)-3-methyl-1h-pyrazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 110021066 B, 授权公告日 2019-12-13.
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". J. Sep. Sci., 2019, 1540, (1), 3304-3334.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2016, 2419, 4794-4812.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 5-AMino-1-(4-chloro-3-methyl-phenyl)-3-methyl-1h-pyrazole-4-carbonitrile Using HRMS and NMR". Anal. Chem., 2024, 1536, (3), 8723-8744.