Schröder R, Klinger H, Kumar R. "一种的合成方法" [P]. US Patent, US 9447935 B2, 2016-01-19.
发明人高志强,黄志刚,唐晓军. "Method for the Synthesis of 3,4-Difluoro-5-hydroxybenzonitrile" [P]. 中国发明专利, 专利号 CN 112866998 A, 授权公告日 2021-06-03.
发明人唐晓军,韩伟,孙丽萍. "A Process for Preparing High-Purity 3,4-Difluoro-5-hydroxybenzonitrile" [P]. 中国发明专利, 专利号 CN 109041734 A, 授权公告日 2020-02-02.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2015, 2371, (1), 3203-3214.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2023, 2218, (7), 7890-7901.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 3,4-Difluoro-5-hydroxybenzonitrile Using HRMS and NMR". Biomed. Chromatogr., 2021, 2349, (9), 8456-8465.