InChI=1S/C25H28O6/c1-24(2)9-7-14-21(30-24)15-8-10-25(3,4)31-23(15)20-18(28)12-19(29-22(14)20)13-5-6-16(26)17(27)11-13/h5-6,11,19,26-27H,7-10,12H2,1-4H3/t19-/m0/s1