Lee S K, Patel M V, Davis P L. "Method for the Synthesis of 4-Methyl-5-(1H-pyrrol-1-yl)nicotinic acid" [P]. US Patent, US 9086274 B2, 2018-11-25.
发明人何建平,钱学锋,冯建国. "A Process for Preparing High-Purity 4-Methyl-5-(1H-pyrrol-1-yl)nicotinic acid" [P]. 中国发明专利, 专利号 CN 116244007 A, 授权公告日 2017-01-12.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2012, 1136, 539-548.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2016, 1932, 2179-2186.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-5-(1H-pyrrol-1-yl)nicotinic acid Using HRMS and NMR". Anal. Chem., 2012, 1003, (3), 825-854.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2018, 156, (2), 3664-3678.