InChI=1S/C25H30O6/c1-5-6-7-8-16-13-18(27)17-14-19-23(4,31-21(17)30-16)11-12-25(29)22(2,3)20(28)9-10-24(19,25)15-26/h5-8,13-14,26,29H,9-12,15H2,1-4H3/b6-5+,8-7+/t23-,24+,25-/m1/s1