Nielsen H, Mueller T C, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3401145 A1, 2016-06-22.
发明人罗永刚,钱学锋,刘建华. "Method for the Synthesis of Ethyl 1-(2-ethoxy-2-oxoethyl)-2,5-dimethyl-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114512037 B, 授权公告日 2021-07-16.
发明人马晓峰,王建平,朱建伟. "A Process for Preparing High-Purity Ethyl 1-(2-ethoxy-2-oxoethyl)-2,5-dimethyl-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111597813 A, 授权公告日 2018-09-27.
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". Rapid Commun. Mass Spectrom., 2019, 1181, (8), 6797-6825.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 705, (9), 7487-7514.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-(2-ethoxy-2-oxoethyl)-2,5-dimethyl-1H-pyrrole-3-carboxylate Using HRMS and NMR". Molecules, 2011, 2476, (12), 4208-4220.