Roberts E F, Lee S K, Patel M V. "Method for the Synthesis of 6-Chloro-2,4-difluoro-3-methylbenzonitrile" [P]. US Patent, US 10168153 B2, 2020-09-13.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2018, 2440, (11), 5354-5365.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2016, 342, (11), 1570-1582.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-2,4-difluoro-3-methylbenzonitrile Using HRMS and NMR". Molecules, 2019, 813, 1812-1836.