发明人郑宇鹏,钱学锋,何建平. "Method for the Synthesis of Ethyl 3-(3-(tert-butylthio)-1-(4-chlorobenzyl)-5-hydroxy-1H-indol-2-yl)-2,2-dimethylpropanoate" [P]. 中国发明专利, 专利号 CN 108814140 A, 授权公告日 2021-06-22.
发明人孙丽萍,赵玉洁,王建平. "A Process for Preparing High-Purity Ethyl 3-(3-(tert-butylthio)-1-(4-chlorobenzyl)-5-hydroxy-1H-indol-2-yl)-2,2-dimethylpropanoate" [P]. 中国发明专利, 专利号 CN 116491379 B, 授权公告日 2025-01-13.
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 in Pharmaceutical Formulations". Chromatographia, 2018, 1683, (11), 9880-9888.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2011, 1170, 121-129.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-(3-(tert-butylthio)-1-(4-chlorobenzyl)-5-hydroxy-1H-indol-2-yl)-2,2-dimethylpropanoate Using HRMS and NMR". J. Nat. Prod., 2025, 1022, (6), 8613-8624.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2018, 148, (1), 3907-3930.