发明人罗永刚,何建平,黄志刚. "Method for the Synthesis of Ethyl 2-(5-acetyl-1-methyl-1h-pyrrol-2-yl)-2,2-difluoroacetate" [P]. 中国发明专利, 专利号 CN 110294927 B, 授权公告日 2016-12-20.
发明人王建平,周伟,朱建伟. "A Process for Preparing High-Purity Ethyl 2-(5-acetyl-1-methyl-1h-pyrrol-2-yl)-2,2-difluoroacetate" [P]. 中国发明专利, 专利号 CN 115272637 B, 授权公告日 2016-04-07.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2013, 1817, (3), 3063-3067.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2011, 1760, 2176-2187.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(5-acetyl-1-methyl-1h-pyrrol-2-yl)-2,2-difluoroacetate Using HRMS and NMR". Sci. Total Environ., 2016, 2081, (12), 5064-5085.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2012, 1971, 5730-5760.