发明人罗永刚,郭海燕,李文辉. "Method for the Synthesis of 1-Ethyl-5-methoxy-2-methyl-1H-indole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 111639177 B, 授权公告日 2023-04-14.
发明人黄志刚,周伟,赵玉洁. "A Process for Preparing High-Purity 1-Ethyl-5-methoxy-2-methyl-1H-indole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 115817803 B, 授权公告日 2024-03-01.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2021, 564, 9977-9998.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2015, 566, 2510-2523.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-5-methoxy-2-methyl-1H-indole-3-carbaldehyde Using HRMS and NMR". J. Nat. Prod., 2016, 356, 9310-9313.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2010, 743, (3), 2164-2185.