IUPAC:3,4,19-trimethoxy-9,10-dimethyl-15,17-dioxatetracyclo[10.7.0.0^{2,7}.0^{14,18}]nonadeca-1(12),2,4,6,13,18-hexaene-5,11-diol
IUPAC:3,4,19-trimethoxy-9,10-dimethyl-15,17-dioxatetracyclo[10.7.0.0^{2,7}.0^{14,18}]nonadeca-1(12),2,4,6,13,18-hexaene-5,11-diol