Showing structure for 6,7'-dihydroxy-2,5,5,8a-tetramethyl-3,4,4a,6,7,8-hexahydro-2h-3',11'-dioxaspiro[naphthalene-1,4'-tricyclo[7.3.0.0²,⁶]dodecane]-1',6',8'-trien-12'-one