InChI=1S/C24H24O8/c1-23(2,29)18-11-15-10-13(4-9-17(15)31-18)12-24(22(28)30-3)19(20(26)21(27)32-24)14-5-7-16(25)8-6-14/h4-10,18,25-26,29H,11-12H2,1-3H3/t18-,24-/m1/s1