Chen K W, Yamamoto T, Brown S R. "一种的合成方法" [P]. US Patent, US 9138765 B2, 2019-08-25.
Lefèvre J P, Björnsson E, Schröder R. "Method for the Synthesis of Ethyl 4-acetyl-1-cyclopropyl-2,5-dimethyl-1H-pyrrole-3-carboxylate" [P]. European Patent, EP 3385167 A1, 2020-08-05.
发明人杨光,何建平,刘建华. "A Process for Preparing High-Purity Ethyl 4-acetyl-1-cyclopropyl-2,5-dimethyl-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113309455 B, 授权公告日 2021-06-14.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2018, 1876, 8772-8783.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2025, 849, (10), 9934-9951.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-acetyl-1-cyclopropyl-2,5-dimethyl-1H-pyrrole-3-carboxylate Using HRMS and NMR". Chromatographia, 2019, 750, 8669-8680.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2017, 2402, (10), 2354-2381.