IUPAC:(1S,8S,11R,12S,13R,17S,18S,19R)-13,17-dihydroxy-14,14,18-trimethyl-9-oxo-4,10-dioxapentacyclo[9.7.1.0^{3,7}.0^{8,19}.0^{13,18}]nonadeca-3(7),5-dien-12-yl acetate
IUPAC:(1S,8S,11R,12S,13R,17S,18S,19R)-13,17-dihydroxy-14,14,18-trimethyl-9-oxo-4,10-dioxapentacyclo[9.7.1.0^{3,7}.0^{8,19}.0^{13,18}]nonadeca-3(7),5-dien-12-yl acetate