2,2'-((((((9H-Fluorene-9,9-diyl)bis(4,1-phenylene))bis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(methylene))bis(oxirane) 25g

2,2'-((((((9H-Fluorene-9,9-diyl)bis(4,1-phenylene))bis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(methylene))bis(oxirane) 25g