发明人林芳,周伟,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108371286 A, 授权公告日 2017-04-24.
发明人徐明华,冯建国,罗永刚. "Method for the Synthesis of Ethyl 2-methyl-3,4-dihydropyrrolo[2,3-d]imidazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 113757105 A, 授权公告日 2016-04-12.
Davis P L, Brown S R, Klinger H. "A Process for Preparing High-Purity Ethyl 2-methyl-3,4-dihydropyrrolo[2,3-d]imidazole-5-carboxylate" [P]. US Patent, US 9574680 B2, 2025-12-21.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2015, 340, 7868-7878.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2020, 2298, 5692-5698.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-methyl-3,4-dihydropyrrolo[2,3-d]imidazole-5-carboxylate Using HRMS and NMR". J. Sep. Sci., 2022, 1783, (11), 2052-2069.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2019, 1772, 7382-7409.