2-Ethyl-1,2,3,4,5,6,7,8-octahydroanthracene-9,10-diol

2-Ethyl-1,2,3,4,5,6,7,8-octahydro-9,10-anthracenediol

1,2,3,4,5,6,7,8-Octahydro-2-ethylanthracene-9,10-diol

1,2,3,4,5,6,7,8-Octahydro-2-ethyl-9,10-anthracenediol