发明人张德明,郭海燕,胡光. "Method for the Synthesis of 2-(5-bromopyridin-2-yl)-2,2-difluoroacetic acid" [P]. 中国发明专利, 专利号 CN 114847534 A, 授权公告日 2021-03-01.
发明人陈志强,赵玉洁,孙丽萍. "A Process for Preparing High-Purity 2-(5-bromopyridin-2-yl)-2,2-difluoroacetic acid" [P]. 中国发明专利, 专利号 CN 108164491 B, 授权公告日 2024-10-25.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2013, 832, 7096-7123.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2014, 2245, 5489-5509.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-(5-bromopyridin-2-yl)-2,2-difluoroacetic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 1603, (2), 9455-9474.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2013, 2332, (8), 2388-2409.