发明人王建平,林芳,胡光. "Method for the Synthesis of Ethyl 5-chloro-3-(1H-pyrrol-1-yl)-1-benzofuran-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110872993 A, 授权公告日 2019-01-19.
Klinger H, Roberts E F, Davis P L. "A Process for Preparing High-Purity Ethyl 5-chloro-3-(1H-pyrrol-1-yl)-1-benzofuran-2-carboxylate" [P]. US Patent, US 11359753 B2, 2023-04-12.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 2187, 983-1009.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2025, 346, 7656-7675.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-chloro-3-(1H-pyrrol-1-yl)-1-benzofuran-2-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 1025, 3849-3867.