label: 9-(2-hydroxy-4,4,-dimethyl-6-oxo-1-cyclohexen-1-yl)-3,3-dimethyl-2,3,4,9-tetrahydro-1H-xanthen-1-one
label_lc: 9-(2-hydroxy-4,4,-dimethyl-6-oxo-1-cyclohexen-1-yl)-3,3-dimethyl-2,3,4,9-tetrahydro-1h-xanthen-1-one