发明人徐明华,韩伟,陈志强. "Method for the Synthesis of 3-(1,1-Difluoroethyl)-4-fluorobenzonitrile" [P]. 中国发明专利, 专利号 CN 108133372 B, 授权公告日 2022-06-10.
Fischer A B, Lee S K, Roberts E F. "A Process for Preparing High-Purity 3-(1,1-Difluoroethyl)-4-fluorobenzonitrile" [P]. US Patent, US 11222248 B2, 2015-03-22.
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". Phytochemistry, 2014, 1681, (11), 9010-9030.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2022, 437, 9062-9068.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 3-(1,1-Difluoroethyl)-4-fluorobenzonitrile Using HRMS and NMR". Anal. Chem., 2017, 1775, 5809-5839.