Nielsen H, Mueller T C, Jørgensen K. "Method for the Synthesis of 3-(3,4-Dihydro-2H-pyrrol-5-yl)-N-ethyl-N-methylpyridin-2-amine" [P]. European Patent, EP 3133051 A1, 2022-09-27.
Mueller T, Thompson G K, Johnson M A. "A Process for Preparing High-Purity 3-(3,4-Dihydro-2H-pyrrol-5-yl)-N-ethyl-N-methylpyridin-2-amine" [P]. US Patent, US 11815255 B2, 2024-06-28.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2016, 2034, (5), 6045-6068.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2011, 1592, (10), 1172-1187.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-(3,4-Dihydro-2H-pyrrol-5-yl)-N-ethyl-N-methylpyridin-2-amine Using HRMS and NMR". Anal. Chim. Acta, 2015, 2243, (7), 2693-2719.