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2-((6,6-Difluorocyclooct-4-yn-1-yl)oxy) acetic acid: BD01232466960149-22-898%; ￥

Difluorocyclooctyne-CH2-benzoic acid: BD015752951047997-30-798%; ￥

Difluorocyclooctyne-CH2-COOH: BD015435221047997-31-898%; ￥

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