发明人罗永刚,黄志刚,郭海燕. "Method for the Synthesis of 2-(Difluoromethyl)-3-fluoropyridin-4-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 114903647 A, 授权公告日 2023-02-06.
发明人王建平,刘建华,徐明华. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3-fluoropyridin-4-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 111654594 A, 授权公告日 2020-08-15.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2013, 1349, 3125-3150.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2019, 861, 280-307.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-3-fluoropyridin-4-amine hydrochloride Using HRMS and NMR". Sci. Total Environ., 2011, 1094, 117-145.