发明人陈志强,韩伟,杨光. "一种4-(乙基磺酰基)苯乙酸的合成方法" [P]. 中国发明专利, 专利号 CN 116139901 A, 授权公告日 2022-07-26.
发明人张德明,朱建伟,黄志刚. "Method for the Synthesis of 4-(Ethylsulfonyl)phenylacetic Acid" [P]. 中国发明专利, 专利号 CN 112437848 A, 授权公告日 2025-09-19.
Lee S K, O'Brien P Q, Mueller T. "A Process for Preparing High-Purity 4-(Ethylsulfonyl)phenylacetic Acid" [P]. US Patent, US 11391891 B2, 2021-09-09.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(乙基磺酰基)苯乙酸 in Pharmaceutical Formulations". Environ. Sci. Technol., 2016, 510, (8), 1055-1059.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(乙基磺酰基)苯乙酸 as an Impurity". Anal. Methods, 2019, 2179, 9915-9925.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Ethylsulfonyl)phenylacetic Acid Using HRMS and NMR". Anal. Chim. Acta, 2010, 1903, 8373-8381.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 4-(乙基磺酰基)苯乙酸 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2010, 467, (9), 8102-8127.