发明人杨光,沈红梅,钱学锋. "Method for the Synthesis of 4-Benzyl 2-ethyl 3-(2-ethoxy-2-oxoethyl)-5-methyl-1H-pyrrole-2,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 111262937 B, 授权公告日 2015-06-12.
Klinger H, Stevens L M, Johnson M A. "A Process for Preparing High-Purity 4-Benzyl 2-ethyl 3-(2-ethoxy-2-oxoethyl)-5-methyl-1H-pyrrole-2,4-dicarboxylate" [P]. US Patent, US 10203620 B2, 2016-02-05.
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". J. Sep. Sci., 2015, 1520, (9), 2496-2520.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 1831, (6), 1405-1409.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4-Benzyl 2-ethyl 3-(2-ethoxy-2-oxoethyl)-5-methyl-1H-pyrrole-2,4-dicarboxylate Using HRMS and NMR". Biomed. Chromatogr., 2020, 1958, (3), 6039-6049.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2011, 1585, 7256-7281.