发明人徐明华,何建平,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108144988 A, 授权公告日 2025-08-14.
Park J H, Thompson G K, O'Brien P Q. "Method for the Synthesis of 6-(Ethylsulfonyl)-1H-indole-2-carboxylic acid" [P]. US Patent, US 11466811 B2, 2017-06-12.
发明人高志强,刘建华,罗永刚. "A Process for Preparing High-Purity 6-(Ethylsulfonyl)-1H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113084278 B, 授权公告日 2021-08-24.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2019, 2367, 7801-7827.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2010, 510, (8), 3311-3330.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Ethylsulfonyl)-1H-indole-2-carboxylic acid Using HRMS and NMR". J. Nat. Prod., 2024, 223, (7), 8445-8453.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2013, 1562, 1490-1516.