发明人徐明华,赵玉洁,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114551327 A, 授权公告日 2023-08-28.
Rossi M, Johansson L, Lefèvre J P. "Method for the Synthesis of 5-Ethylindole-2-carboxylic acid" [P]. European Patent, EP 3607851 A1, 2023-04-11.
发明人马晓峰,陈志强,罗永刚. "A Process for Preparing High-Purity 5-Ethylindole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115036811 B, 授权公告日 2019-12-09.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2011, 2467, (7), 2112-2125.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2024, 1315, (11), 8463-8482.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethylindole-2-carboxylic acid Using HRMS and NMR". J. Nat. Prod., 2010, 1043, 2598-2627.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2021, 1568, 5981-6001.