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发明人王建平,韩伟,唐晓军. "Method for the Synthesis of (E)-3-(4-(Furan-2-yl)-2-oxobut-3-en-1-yl)-3-hydroxyindolin-2-one" [P]. 中国发明专利, 专利号 CN 112652910 B, 授权公告日 2020-11-11.
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