Chen K W, Hughes D C, Patel M V. "一种的合成方法" [P]. US Patent, US 10533752 B2, 2019-09-28.
发明人赵玉洁,黄志刚,张德明. "Method for the Synthesis of Ethyl 1-amino-5-cyano-4-(3-fluoro-4-nitrophenyl)-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109816317 B, 授权公告日 2023-10-04.
发明人沈红梅,郭海燕,马晓峰. "A Process for Preparing High-Purity Ethyl 1-amino-5-cyano-4-(3-fluoro-4-nitrophenyl)-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112477323 B, 授权公告日 2015-05-25.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2012, 1026, (8), 9189-9219.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2012, 1556, (2), 2608-2623.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-amino-5-cyano-4-(3-fluoro-4-nitrophenyl)-1H-pyrrole-3-carboxylate Using HRMS and NMR". J. Sep. Sci., 2021, 152, 3174-3191.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2018, 1121, 7485-7491.