4-(9,10-Dioxo-9,10-dihydroanthracen-1-yl)-4-oxobutanoic acid

Abstract

In the title compound, C18H12O5, the anthracene moiety is almost planar (r.m.s. deviation = 0.0399 Å). In the crystal, molecules are linked to each other by intermolecular O—H...O and weak C—H...O hydrogen bonds.