Nowak P, Rossi M, Schröder R. "一种的合成方法" [P]. European Patent, EP 3908346 A1, 2017-05-13.
Sørensen M, Johansson L, Mueller T C. "Method for the Synthesis of 1-(3,4-Dimethoxyphenyl)-1H-indole-3-carbaldehyde" [P]. European Patent, EP 3215098 A1, 2017-08-18.
Roberts E F, Johnson M A, Davis P L. "A Process for Preparing High-Purity 1-(3,4-Dimethoxyphenyl)-1H-indole-3-carbaldehyde" [P]. US Patent, US 11602970 B2, 2017-10-05.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2019, 1094, (6), 2796-2821.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2017, 142, (6), 3421-3445.