InChI=1S/C24H24O6/c1-12(2)20(26)19-21(27)18-14(13-8-6-5-7-9-13)11-17(25)30-22(18)15-10-16(24(3,4)28)29-23(15)19/h5-9,11-12,16,27-28H,10H2,1-4H3