发明人钱学锋,马晓峰,徐明华. "Method for the Synthesis of 5-Amino-1-(4-fluoro-2-methylphenyl)-3-methyl-1H-pyrazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 115727377 A, 授权公告日 2022-05-28.
发明人朱建伟,陈志强,罗永刚. "A Process for Preparing High-Purity 5-Amino-1-(4-fluoro-2-methylphenyl)-3-methyl-1H-pyrazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 116541812 A, 授权公告日 2024-05-24.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2021, 2442, (5), 8974-8992.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 1727, 2511-2528.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-1-(4-fluoro-2-methylphenyl)-3-methyl-1H-pyrazole-4-carbonitrile Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 1866, (9), 2644-2665.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2025, 153, (9), 3720-3745.