IUPAC:(1R,13R)-7,7-dimethyl-8,12,20-trioxapentacyclo[11.8.0.0^{2,11}.0^{4,9}.0^{14,19}]henicosa-2(11),3,5,9,14(19),15,17-heptaene-1,17-diol
IUPAC:(1R,13R)-7,7-dimethyl-8,12,20-trioxapentacyclo[11.8.0.0^{2,11}.0^{4,9}.0^{14,19}]henicosa-2(11),3,5,9,14(19),15,17-heptaene-1,17-diol