发明人唐晓军,黄志刚,胡光. "一种1-(2,2-difluoroethyl)-N-(3-methoxybenzyl)-1H-pyrazol-4-amine的合成方法" [P]. 中国发明专利, 专利号 CN 111571695 A, 授权公告日 2021-10-18.
发明人徐明华,何建平,郭海燕. "Method for the Synthesis of 1-(2,2-difluoroethyl)-N-(3-methoxybenzyl)-1H-pyrazol-4-amine" [P]. 中国发明专利, 专利号 CN 112135693 A, 授权公告日 2021-03-17.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 1-(2,2-difluoroethyl)-N-(3-methoxybenzyl)-1H-pyrazol-4-amine in Pharmaceutical Formulations". Environ. Sci. Technol., 2021, 184, (9), 688-718.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-(2,2-difluoroethyl)-N-(3-methoxybenzyl)-1H-pyrazol-4-amine as an Impurity". J. Pharm. Biomed. Anal., 2019, 1704, (5), 6165-6175.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2,2-difluoroethyl)-N-(3-methoxybenzyl)-1H-pyrazol-4-amine Using HRMS and NMR". Anal. Methods, 2020, 503, (10), 5822-5831.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 1-(2,2-difluoroethyl)-N-(3-methoxybenzyl)-1H-pyrazol-4-amine Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2010, 2215, (12), 2994-3021.