1,2,3,4-tetraphenylbenzene

1,4:5,8-diepoxyanthracen-2,2,3,3,6,6,7,7(1H,4H,5H,8H)-octacarbonitrile

(1,2,3,4,5,6,7,8-octahydro-1,4:5,8-diepoxyanthracene-2,3,6,7-tetrayl)tetrakis(phenylmethanone)

5a,6,8,8a,14a,15,17,17a-octahydro-6,17:8,15-diepoxyheptacene-5,9,14,18-tetraone