发明人孙丽萍,杨光,张德明. "Method for the Synthesis of 2-(6-Hydroxy-2,3-dihydrobenzofuran-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109665297 B, 授权公告日 2019-12-04.
发明人孙丽萍,冯建国,胡光. "A Process for Preparing High-Purity 2-(6-Hydroxy-2,3-dihydrobenzofuran-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109075842 B, 授权公告日 2020-08-14.
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