Hydroxyanthraquinones

Octahydroxyanthraquinone is an organic compound with formula , formally derived from anthraquinone by replacement of 8 hydrogen atoms by hydroxyl groups.

Rufigallol or 1,2,3,5,6,7-hexahydroxy-9,10-anthraquinone is an organic compound with formula . It one of several hydroxyanthraquinones. It occurs naturally being derived from gallic acid.

Damnacanthal is an anthraquinone isolated from the root of Morinda citrifolia, using water or organic solvents.