InChI=1S/C25H26O6/c1-13(2)5-6-14-9-16(19(27)10-18(14)26)17-12-30-21-11-20-15(7-8-25(3,4)31-20)23(28)22(21)24(17)29/h5,7-11,17,26-28H,6,12H2,1-4H3