发明人陈志强,周伟,黄志刚. "Method for the Synthesis of Ethyl 6-(4-chlorophenyl)-2-(difluoromethyl)nicotinate" [P]. 中国发明专利, 专利号 CN 109326353 A, 授权公告日 2022-12-12.
Hughes D C, Chen K W, Roberts E F. "A Process for Preparing High-Purity Ethyl 6-(4-chlorophenyl)-2-(difluoromethyl)nicotinate" [P]. US Patent, US 9105800 B2, 2017-09-03.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2013, 1832, 277-306.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2018, 2144, 3621-3641.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-(4-chlorophenyl)-2-(difluoromethyl)nicotinate Using HRMS and NMR". J. Agric. Food Chem., 2020, 1235, (3), 9406-9420.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2016, 1556, (2), 7621-7636.