(5RS,5aSR,6aSR,7SR,12RS,12aRS,13aRS,14SR)-octahydro-[5,14][7,12]-diepoxy-2,3,9,10-tetrakis(trimethylsilyl)pentacene-6,13-dione

5,10-epoxy-5,10-dihydro-2,3-bis(trimethylsilyl)anthracene