The molecule is an azaphilone that is 5,6,7,8-tetrahydro-1H-isochromene substituted by a hydroxy group at position 6, a methyl group at position 7, an oxo group at position 8, a prop-1-en-1-yl group at position 3 and a (3,4-dihydroxy-2-methoxy-6-methylbenzoyl)oxy group at position 7. Isolated from Penicillium commune, it exhibits antibacterial activity. It has a role as an antibacterial agent and a Penicillium metabolite. It is an aromatic ether, an azaphilone, a benzoate ester, a member of catechols and a member of isochromenes.
[(6R,7R)-6-hydroxy-7-methyl-8-oxo-3-[(E)-prop-1-enyl]-5,6-dihydro-1H-isochromen-7-yl] 3,4-dihydroxy-2-methoxy-6-methylbenzoate