IUPAC:1,17,19-trihydroxy-7-methyl-3-oxapentacyclo[9.8.0.0^{2,4}.0^{5,10}.0^{13,18}]nonadeca-5(10),13(18),14,16-tetraene-9,12-dione
IUPAC:1,17,19-trihydroxy-7-methyl-3-oxapentacyclo[9.8.0.0^{2,4}.0^{5,10}.0^{13,18}]nonadeca-5(10),13(18),14,16-tetraene-9,12-dione