发明人冯建国,唐晓军,韩伟. "Method for the Synthesis of 1-(1-Ethyl-5-fluoro-1H-pyrazol-4-yl)-N-(4-fluorobenzyl)methanamine hydrochloride" [P]. 中国发明专利, 专利号 CN 116432041 B, 授权公告日 2020-03-03.
发明人韩伟,李文辉,郑宇鹏. "A Process for Preparing High-Purity 1-(1-Ethyl-5-fluoro-1H-pyrazol-4-yl)-N-(4-fluorobenzyl)methanamine hydrochloride" [P]. 中国发明专利, 专利号 CN 113922359 B, 授权公告日 2023-02-10.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2021, 507, 3065-3090.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2018, 2314, (6), 8346-8349.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 1-(1-Ethyl-5-fluoro-1H-pyrazol-4-yl)-N-(4-fluorobenzyl)methanamine hydrochloride Using HRMS and NMR". Biomed. Chromatogr., 2015, 1887, 8423-8443.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2020, 2157, (1), 4737-4749.