Schröder R, Davis P L, Patel M V. "一种的合成方法" [P]. US Patent, US 10878726 B2, 2023-04-19.
Rossi M, Björnsson E, Mueller T C. "Method for the Synthesis of 5-Amino-1-(2,3-dichlorophenyl)-3-methyl-1H-pyrazole-4-carbonitrile" [P]. European Patent, EP 3815753 A1, 2016-08-25.
发明人陈志强,杨光,韩伟. "A Process for Preparing High-Purity 5-Amino-1-(2,3-dichlorophenyl)-3-methyl-1H-pyrazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 114492977 B, 授权公告日 2024-06-18.
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. Pharm. Biomed. Anal., 2022, 1528, (3), 9851-9856.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2019, 1814, (1), 6222-6233.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-1-(2,3-dichlorophenyl)-3-methyl-1H-pyrazole-4-carbonitrile Using HRMS and NMR". Sci. Total Environ., 2018, 868, 3748-3768.