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发明人孙丽萍,陈志强,张德明. "A Process for Preparing High-Purity tert-Butyl N-[2-(hydroxymethyl)-1-benzofuran-5-yl]carbamate" [P]. 中国发明专利, 专利号 CN 112860538 B, 授权公告日 2021-06-01.
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