发明人李文辉,胡光,高志强. "Method for the Synthesis of Methyl 7-(2-ethoxy-2-oxoacetyl)-6-methyl-2,3-dihydro-1H-pyrrolizine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117066907 B, 授权公告日 2020-10-03.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2011, 1414, (10), 2795-2814.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2022, 1592, 9500-9505.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 7-(2-ethoxy-2-oxoacetyl)-6-methyl-2,3-dihydro-1H-pyrrolizine-5-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2012, 1090, (11), 1112-1130.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2015, 1524, 682-698.