InChI=1S/C23H24O6/c1-22(2)8-6-12-17-15(10-14(25)20(12)28-22)27-16-9-13(24)11-5-7-23(3,4)29-21(11)18(16)19(17)26/h9-10,24-25H,5-8H2,1-4H3