发明人李文辉,何建平,黄志刚. "Method for the Synthesis of 4-(4-Chlorobenzoyl)-N-[(1E)-(dimethylamino)methylidene]-1H-pyrrole-2-carboxamide" [P]. 中国发明专利, 专利号 CN 108154611 A, 授权公告日 2017-10-08.
发明人杨光,高志强,马晓峰. "A Process for Preparing High-Purity 4-(4-Chlorobenzoyl)-N-[(1E)-(dimethylamino)methylidene]-1H-pyrrole-2-carboxamide" [P]. 中国发明专利, 专利号 CN 110438274 A, 授权公告日 2020-04-28.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2016, 513, 3099-3126.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2018, 1421, 2161-2167.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Chlorobenzoyl)-N-[(1E)-(dimethylamino)methylidene]-1H-pyrrole-2-carboxamide Using HRMS and NMR". J. Agric. Food Chem., 2020, 1590, 9769-9782.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2016, 2140, (1), 2218-2224.