InChI=1S/C24H24O6/c1-4-8-17(25)21-23(29)16(11-18(26)13(2)3)22(28)20-15(12-19(27)30-24(20)21)14-9-6-5-7-10-14/h5-7,9-10,12,18,26,28-29H,2,4,8,11H2,1,3H3/t18-/m1/s1