发明人周伟,孙丽萍,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113489240 A, 授权公告日 2020-10-17.
发明人杨光,王建平,陈志强. "Method for the Synthesis of Ethyl 5-formyl-4-methyl-1H-pyrrole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114160509 A, 授权公告日 2018-04-02.
发明人郑宇鹏,罗永刚,黄志刚. "A Process for Preparing High-Purity Ethyl 5-formyl-4-methyl-1H-pyrrole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108312094 B, 授权公告日 2023-04-21.
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". Rapid Commun. Mass Spectrom., 2012, 1003, 8847-8850.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2020, 2056, (8), 5341-5360.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-formyl-4-methyl-1H-pyrrole-2-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2021, 1596, 8218-8222.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2013, 1745, (4), 653-658.