Fischer A B, Lee S K, Brown S R. "Method for the Synthesis of Ethyl 4-cyano-2,5-dimethyl-1H-pyrrole-3-carboxylate" [P]. US Patent, US 10020393 B2, 2024-07-23.
发明人何建平,王建平,高志强. "A Process for Preparing High-Purity Ethyl 4-cyano-2,5-dimethyl-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115449919 B, 授权公告日 2017-03-07.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2015, 2044, (6), 4371-4374.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2012, 100, 8857-8862.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-cyano-2,5-dimethyl-1H-pyrrole-3-carboxylate Using HRMS and NMR". J. Nat. Prod., 2013, 2157, (5), 1377-1402.