Hughes D C, Davis P L, Stevens L M. "一种的合成方法" [P]. US Patent, US 11284009 B2, 2016-12-19.
发明人冯建国,郑宇鹏,周伟. "Method for the Synthesis of 2,4-Difluoro-3-hydroxybenzonitrile" [P]. 中国发明专利, 专利号 CN 114196226 A, 授权公告日 2020-10-01.
Martínez F, Johansson L, Kowalski A. "A Process for Preparing High-Purity 2,4-Difluoro-3-hydroxybenzonitrile" [P]. European Patent, EP 3806158 A1, 2024-09-17.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2022, 1572, (11), 7172-7178.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2015, 1925, (5), 7758-7777.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2,4-Difluoro-3-hydroxybenzonitrile Using HRMS and NMR". Anal. Methods, 2012, 995, (7), 498-511.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2020, 2098, 7559-7586.