发明人黄志刚,何建平,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117384106 A, 授权公告日 2025-06-04.
发明人韩伟,徐明华,张德明. "Method for the Synthesis of Ethyl 3-hydroxy-7-methyl-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112116655 A, 授权公告日 2024-05-21.
发明人韩伟,黄志刚,李文辉. "A Process for Preparing High-Purity Ethyl 3-hydroxy-7-methyl-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109746667 B, 授权公告日 2016-01-15.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2017, 2179, (1), 8352-8363.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2020, 2292, (1), 6540-6564.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-hydroxy-7-methyl-1H-indole-2-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2021, 490, 7718-7734.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2017, 525, (4), 6776-6802.