IUPAC:(1S,3R,8S,9R,11R,16R)-9-hydroxy-5,11,15,15-tetramethyl-2,7-dioxapentacyclo[8.8.0.0^{1,3}.0^{4,8}.0^{11,16}]octadec-4-en-6-one
IUPAC:(1S,3R,8S,9R,11R,16R)-9-hydroxy-5,11,15,15-tetramethyl-2,7-dioxapentacyclo[8.8.0.0^{1,3}.0^{4,8}.0^{11,16}]octadec-4-en-6-one