3,6,8-Trihydroxy-3,4,5,7-tetramethyl-3,4-dihydroisocoumarin

Abstract

In the title compound, C13H16O5, one of the three hydroxy groups is involved in intramolecular O—H...O hydrogen bonds. The other two hydroxy groups contribute to the three-dimensional hydrogen-bonding network, which consolidates the crystal packing.