4-(6'-Hydroxy-1',3',4',9a'-tetrahydrospiro[cyclohexane-1,9'-xanthen]-4a'(2'H)-yl)benzene-1,3-diol 1g

4-(6'-Hydroxy-1',3',4',9a'-tetrahydrospiro[cyclohexane-1,9'-xanthen]-4a'(2'H)-yl)benzene-1,3-diol 1g