InChI=1S/C25H24O6/c1-13(2)5-6-17-23(29)21-18(27)11-14(26)12-20(21)30-24(17)16-7-8-19-15(22(16)28)9-10-25(3,4)31-19/h5,7-12,26-28H,6H2,1-4H3