发明人胡光,赵玉洁,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112293654 A, 授权公告日 2017-10-03.
Schröder R, Brown S R, Klinger H. "Method for the Synthesis of 4-(Ethylsulfonyl)-2'-fluoro-5'-hydroxy-[1,1'-biphenyl]-2-carbonitrile" [P]. US Patent, US 9635196 B2, 2022-09-07.
发明人马晓峰,唐晓军,韩伟. "A Process for Preparing High-Purity 4-(Ethylsulfonyl)-2'-fluoro-5'-hydroxy-[1,1'-biphenyl]-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 110344578 B, 授权公告日 2023-07-06.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2025, 518, 6884-6906.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2024, 2392, 8826-8837.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Ethylsulfonyl)-2'-fluoro-5'-hydroxy-[1,1'-biphenyl]-2-carbonitrile Using HRMS and NMR". Environ. Sci. Technol., 2019, 893, (9), 914-941.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2015, 450, (8), 8081-8085.