IUPAC:(1'R,2'R,3S,3aR,4S,5'S,6R,6aR,9'R,9aR,9bR,10'R,11'R)-2',6-dihydroxy-2',6,9,11'-tetramethyl-6'-methylidene-2,7'-dioxo-3a,4,5,6,6a,7,9a,9b-octahydro-2H-8'-oxaspiro[azuleno[4,5-b]furan-3,12'-tetracyclo[9.2.2.0^{1,10}.0^{5,9}]pentadecan]-14'-en-4-yl acetate
IUPAC:(1'R,2'R,3S,3aR,4S,5'S,6R,6aR,9'R,9aR,9bR,10'R,11'R)-2',6-dihydroxy-2',6,9,11'-tetramethyl-6'-methylidene-2,7'-dioxo-3a,4,5,6,6a,7,9a,9b-octahydro-2H-8'-oxaspiro[azuleno[4,5-b]furan-3,12'-tetracyclo[9.2.2.0^{1,10}.0^{5,9}]pentadecan]-14'-en-4-yl acetate