IUPAC:7,11-dihydroxy-13-methoxy-5-methyl-19-oxapentacyclo[8.8.1.0^{1,10}.0^{2,7}.0^{12,17}]nonadeca-4,8,12(17),13,15-pentaene-3,18-dione
IUPAC:7,11-dihydroxy-13-methoxy-5-methyl-19-oxapentacyclo[8.8.1.0^{1,10}.0^{2,7}.0^{12,17}]nonadeca-4,8,12(17),13,15-pentaene-3,18-dione