Kumar R, Davis P L, Patel M V. "Method for the Synthesis of Methyl6-((tert-Butoxycarbonyl)amino)-1h-indole-4-carboxylate" [P]. US Patent, US 11497437 B2, 2019-05-25.
发明人朱建伟,赵玉洁,何建平. "A Process for Preparing High-Purity Methyl6-((tert-Butoxycarbonyl)amino)-1h-indole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 115450830 B, 授权公告日 2025-04-14.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 1719, (9), 8890-8917.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2011, 1117, (11), 8740-8759.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Methyl6-((tert-Butoxycarbonyl)amino)-1h-indole-4-carboxylate Using HRMS and NMR". J. Sep. Sci., 2015, 1071, (3), 7369-7374.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2010, 96, 8111-8125.