IUPAC:(1R,2R,4aS,6R,8aS)-6,7'-dihydroxy-2,5,5,8a-tetramethyl-3,4,4a,5,6,7,8,8a-octahydro-2H-3',11'-dioxaspiro[naphthalene-1,4'-tricyclo[7.3.0.0^{2,6}]dodecane]-1'(9'),2'(6'),7'-trien-10'-one
IUPAC:(1R,2R,4aS,6R,8aS)-6,7'-dihydroxy-2,5,5,8a-tetramethyl-3,4,4a,5,6,7,8,8a-octahydro-2H-3',11'-dioxaspiro[naphthalene-1,4'-tricyclo[7.3.0.0^{2,6}]dodecane]-1'(9'),2'(6'),7'-trien-10'-one