IUPAC:[(1R,1'S,2S,6R,6'S,7'S,9'S)-2-(acetyloxy)-7'-hydroxy-5,5-dimethyl-10'-methylidene-2',11'-dioxo-3'-oxaspiro[cyclohexane-1,5'-tricyclo[7.2.1.0^{1,6}]dodecan]-6-yl]methyl acetate
IUPAC:[(1R,1'S,2S,6R,6'S,7'S,9'S)-2-(acetyloxy)-7'-hydroxy-5,5-dimethyl-10'-methylidene-2',11'-dioxo-3'-oxaspiro[cyclohexane-1,5'-tricyclo[7.2.1.0^{1,6}]dodecan]-6-yl]methyl acetate