The molecule is the tricyclic anthraquinone form of versicolorone. It is a versicolorone and a tetrahydroxyanthraquinone. It is a conjugate acid of a versicolorone(1-).
1,3,6,8-tetrahydroxy-2-(1-hydroxy-5-oxohexan-2-yl)anthracene-9,10-dione