发明人郑宇鹏,杨光,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108182459 A, 授权公告日 2022-11-13.
Roberts E F, Brown S R, Hughes D C. "Method for the Synthesis of Ethyl 2-(3-formyl-2,5-dimethyl-1h-pyrrol-1-yl)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate" [P]. US Patent, US 11989740 B2, 2025-06-06.
发明人李文辉,冯建国,郭海燕. "A Process for Preparing High-Purity Ethyl 2-(3-formyl-2,5-dimethyl-1h-pyrrol-1-yl)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114850127 A, 授权公告日 2023-12-16.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2013, 2224, 849-878.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2025, 270, (9), 4432-4445.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(3-formyl-2,5-dimethyl-1h-pyrrol-1-yl)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate Using HRMS and NMR". J. Sep. Sci., 2021, 533, (11), 6116-6122.