IUPAC:(1R,14R)-11,14-dihydroxy-17,18-dimethoxy-7,7-dimethyl-2,8,21-trioxapentacyclo[12.8.0.0^{3,12}.0^{4,9}.0^{15,20}]docosa-3,5,9,11,15,17,19-heptaen-13-one
IUPAC:(1R,14R)-11,14-dihydroxy-17,18-dimethoxy-7,7-dimethyl-2,8,21-trioxapentacyclo[12.8.0.0^{3,12}.0^{4,9}.0^{15,20}]docosa-3,5,9,11,15,17,19-heptaen-13-one