1,2:5,6-Diepoxyhexahydroindan 2886-89-7 2H-Bisoxireno(a,f)indene, octahydro- 4,10-Dioxatetracyclo(5.4.0(sup 3,5).0(sup 1,7).0(sup 9,11))undecane 4,9-Dioxatetracyclo(5.4.0.0(sup 3,5).0(sup 8,10))undecane Bicyclononadiene diepoxide Indan, 1,2:5,6-diepoxyhexahydro-