The molecule is an organic heterotetracyclic compound that is 8,9-dihydro-4H-phenaleno[1,2-b]furan substituted by methyl groups at positions 1,8,8 and 9R, hydroxy groups at positions 3,4 and 7, methoxy group at position 5 and oxo group at position 6. It is isolated from the soil fungus, Penicillium herquei. It has a role as a fungal metabolite and an antibacterial agent. It is an organic heterotetracyclic compound, a member of phenols, an enone and a polyketide. It is a conjugate acid of a deoxyherqueinone(1-).
(9R)-4,6,7-trihydroxy-5-methoxy-1,8,8,9-tetramethyl-9H-phenaleno[1,2-b]furan-3-one