The molecule is an organic anion that is the conjugate base of atromentin, obtained from the deprotonation of one of the hydroxy groups of the 1,4-benzoquinone moiety. It is the major species at pH 7.3. It is a conjugate base of an atromentin.
4-hydroxy-2,5-bis(4-hydroxyphenyl)-3,6-dioxocyclohexa-1,4-dien-1-olate