9,10-dihydroxy-1,4:5,8-dimethano-1,2,3,4,5,6,7,8-octahydroanthracene

9,10-Diethoxy-1,4:5,8-dimethano-1,2,3,4,5,6,7,8-octahydroanthracene

9,10-Diisopropoxy-1,4:5,8-dimethano-1,2,3,4,5,6,7,8-octahydroanthracene

9,10-dimethoxy-1,4:5,8-dimethano-1,2,3,4,5,6,7,8-octahydroanthracene

Dodecahydro-1,4:5,8-dimethano-9,10-anthraquinone