Johansson L, Jørgensen K, Nowak P. "Method for the Synthesis of 2-Chloro-3-(chloromethyl)-5-(difluoromethyl)-4-fluoropyridine" [P]. European Patent, EP 3737465 A1, 2018-10-04.
Martínez F, Johansson L, Kowalski A. "A Process for Preparing High-Purity 2-Chloro-3-(chloromethyl)-5-(difluoromethyl)-4-fluoropyridine" [P]. European Patent, EP 3589300 A1, 2021-04-26.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2018, 1030, (4), 3348-3368.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2020, 2010, 9557-9573.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-3-(chloromethyl)-5-(difluoromethyl)-4-fluoropyridine Using HRMS and NMR". Environ. Sci. Technol., 2017, 1898, 9421-9446.