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