The molecule is an organic anion obtained by selective deprotonation of the 2- and 7-hydroxy groups of (2S)-versicolorone. It is a conjugate base of a (2S)-versicolorone(1-).
6,8-dihydroxy-2-[(2S)-1-hydroxy-5-oxohexan-2-yl]-9,10-dioxoanthracene-1,3-diolate