The molecule is an organic heterotricyclic compound that is 1H-benzo[g]isochromene-8,9-dione substituted by a hydroxy group at position 10, methoxy groups at positions 1 and 7 and a 4-methylhex-2-en-2-yl group at position 3. Isolated from the stem of the fruiting bodies of the basidiomycete strain Laccaria amethystea, it exhibits inhibitory activity against proteases. It has a role as a metabolite and a protease inhibitor. It is a member of isochromenes, an organic heterotricyclic compound, a member of phenols, a member of orthoquinones, a cyclic acetal and an enol ether.
10-hydroxy-1,7-dimethoxy-3-[(E)-4-methylhex-2-en-2-yl]-1H-benzo[g]isochromene-8,9-dione