发明人沈红梅,刘建华,冯建国. "Method for the Synthesis of 7-Ethoxy-2,2-dimethyl-2,3-dihydrobenzofuran-5-carbaldehyde" [P]. 中国发明专利, 专利号 CN 115159151 A, 授权公告日 2022-04-13.
发明人林芳,陈志强,唐晓军. "A Process for Preparing High-Purity 7-Ethoxy-2,2-dimethyl-2,3-dihydrobenzofuran-5-carbaldehyde" [P]. 中国发明专利, 专利号 CN 110269527 A, 授权公告日 2020-03-18.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2010, 2275, (7), 8206-8210.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2020, 888, (2), 9091-9110.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 7-Ethoxy-2,2-dimethyl-2,3-dihydrobenzofuran-5-carbaldehyde Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 1581, 4933-4954.