InChI=1S/C25H32O9/c1-14-17(32-20(28)13-19(14)30-6)11-9-7-8-10-12-18-21(29)24(4)23(31-16(3)27)25(5,33-18)22(34-24)15(2)26/h7-13,15,18,21-23,26,29H,1-6H3