endo-1,4,4a,9a-tetrahydro-4a,9a-epoxy-1,4-ethano-9,10-anthraquinone

2-(4-nitroanilino)naphthalene-1,4-dione

exo-1,4,4a,9a-tetrahydro-4a,9a-epoxy-1,4-ethano-9,10-anthraquinone

1-hydroxy-2-trimethylsilylanthracene-9,10-dione

3,4-dihydro-2H-benzo[f]quinoxalin-6-one