IUPAC:(3S,4R,6S,7S,8S,11S,13R,15R)-13-hydroxy-6-methyl-17,18-dioxo-16-oxatetracyclo[13.2.2.0^{3,11}.0^{4,8}]nonadeca-1,9-dien-7-yl acetate
IUPAC:(3S,4R,6S,7S,8S,11S,13R,15R)-13-hydroxy-6-methyl-17,18-dioxo-16-oxatetracyclo[13.2.2.0^{3,11}.0^{4,8}]nonadeca-1,9-dien-7-yl acetate