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