Lee S K, Brown S R, Park J H. "一种3-(二氟甲基)-4-氟苯腈的合成方法" [P]. US Patent, US 9841111 B2, 2019-08-13.
Lee S K, Yamamoto T, Schröder R. "Method for the Synthesis of 3-(Difluoromethyl)-4-fluorobenzonitrile" [P]. US Patent, US 10650506 B2, 2023-03-11.
Patel M V, Johnson M A, Hughes D C. "A Process for Preparing High-Purity 3-(Difluoromethyl)-4-fluorobenzonitrile" [P]. US Patent, US 10791095 B2, 2020-05-28.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 3-(二氟甲基)-4-氟苯腈 in Pharmaceutical Formulations". Anal. Methods, 2020, 199, (4), 9512-9540.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-(二氟甲基)-4-氟苯腈 as an Impurity". J. Sep. Sci., 2012, 410, 9535-9557.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Difluoromethyl)-4-fluorobenzonitrile Using HRMS and NMR". Environ. Sci. Technol., 2023, 1192, (11), 5045-5072.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 3-(二氟甲基)-4-氟苯腈 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2021, 1053, 379-403.