InChI=1S/C25H24O5/c1-14(2)12-18(26)21-22(28)20-17(15-8-6-5-7-9-15)13-19(27)29-23(20)16-10-11-25(3,4)30-24(16)21/h5-11,13-14,28H,12H2,1-4H3