IUPAC:(1R,14R)-14-hydroxy-17,18-dimethoxy-7,7-dimethyl-2,8,21-trioxapentacyclo[12.8.0.0^{3,12}.0^{4,9}.0^{15,20}]docosa-3(12),4(9),5,10,15,17,19-heptaen-13-one
IUPAC:(1R,14R)-14-hydroxy-17,18-dimethoxy-7,7-dimethyl-2,8,21-trioxapentacyclo[12.8.0.0^{3,12}.0^{4,9}.0^{15,20}]docosa-3(12),4(9),5,10,15,17,19-heptaen-13-one