发明人马晓峰,黄志刚,张德明. "Method for the Synthesis of Methyl 8-ethoxy-2h-chromene-6-carboxylate" [P]. 中国发明专利, 专利号 CN 115492048 A, 授权公告日 2024-07-14.
发明人韩伟,刘建华,唐晓军. "A Process for Preparing High-Purity Methyl 8-ethoxy-2h-chromene-6-carboxylate" [P]. 中国发明专利, 专利号 CN 113783244 A, 授权公告日 2020-06-08.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2010, 2336, (1), 3285-3306.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2014, 1413, 256-261.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 8-ethoxy-2h-chromene-6-carboxylate Using HRMS and NMR". Phytochemistry, 2012, 1252, 2464-2491.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2017, 1615, (10), 8649-8677.