发明人王建平,黄志刚,郭海燕. "Method for the Synthesis of Ethyl 3-(2-acetoxy-3-methylindolizin-1-yl)-2-cyanoacrylate" [P]. 中国发明专利, 专利号 CN 117481377 B, 授权公告日 2024-12-01.
发明人孙丽萍,唐晓军,张德明. "A Process for Preparing High-Purity Ethyl 3-(2-acetoxy-3-methylindolizin-1-yl)-2-cyanoacrylate" [P]. 中国发明专利, 专利号 CN 113675969 A, 授权公告日 2018-04-15.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2025, 472, 4826-4854.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2019, 1557, (12), 8589-8613.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-(2-acetoxy-3-methylindolizin-1-yl)-2-cyanoacrylate Using HRMS and NMR". J. Chromatogr. A, 2025, 2350, (10), 7901-7912.