发明人李文辉,朱建伟,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110936860 A, 授权公告日 2025-11-12.
Johnson M A, Anderson J P, Stevens L M. "Method for the Synthesis of 4,5-Difluoro-1H-indole-7-carbonitrile" [P]. US Patent, US 10353347 B2, 2021-12-17.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2022, 818, (11), 6925-6952.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2010, 626, 1202-1220.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-Difluoro-1H-indole-7-carbonitrile Using HRMS and NMR". J. Nat. Prod., 2013, 1785, 2579-2606.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 792, 3802-3812.