2,2'-((((9H-Fluorene-9,9-diyl)bis(2-methyl-4,1-phenylene))bis(oxy))bis(methylene))bis(oxirane) 5g

2,2'-((((9H-Fluorene-9,9-diyl)bis(2-methyl-4,1-phenylene))bis(oxy))bis(methylene))bis(oxirane) 5g