Lee S K, Williams B T, Stevens L M. "Method for the Synthesis of 5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-7-carbaldehyde" [P]. US Patent, US 11660980 B2, 2020-07-17.
发明人钱学锋,王建平,韩伟. "A Process for Preparing High-Purity 5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-7-carbaldehyde" [P]. 中国发明专利, 专利号 CN 111233083 A, 授权公告日 2017-06-22.
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 5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-7-carbaldehyde in Pharmaceutical Formulations". Anal. Chem., 2020, 2127, 7323-7331.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-7-carbaldehyde as an Impurity". Biomed. Chromatogr., 2025, 1976, 3911-3925.