Yamamoto T, Kumar R, Mueller T. "一种的合成方法" [P]. US Patent, US 10778164 B2, 2017-09-10.
Nowak P, Kowalski A, Rossi M. "Method for the Synthesis of Ethyl 4-amino-1-butyl-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxylate" [P]. European Patent, EP 3729012 A1, 2019-06-18.
发明人韩伟,郭海燕,胡光. "A Process for Preparing High-Purity Ethyl 4-amino-1-butyl-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109835345 B, 授权公告日 2015-10-26.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2012, 2086, 8568-8586.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2011, 620, (4), 9405-9428.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-amino-1-butyl-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxylate Using HRMS and NMR". Phytochemistry, 2010, 462, (2), 1586-1610.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2012, 1826, (6), 7547-7572.