发明人张德明,何建平,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108553380 A, 授权公告日 2025-10-09.
Roberts E F, Schröder R, Lee S K. "Method for the Synthesis of ethyl 2-(4-fluoro-5-hydroxy-benzofuran-3-yl)acetate" [P]. US Patent, US 9642500 B2, 2018-12-22.
Lee S K, Kumar R, Fischer A B. "A Process for Preparing High-Purity ethyl 2-(4-fluoro-5-hydroxy-benzofuran-3-yl)acetate" [P]. US Patent, US 9255921 B2, 2021-04-20.
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