InChI=1S/C25H32O8/c1-16(26)32-20(9-5-18-7-11-22(28)24(13-18)30-3)15-21(33-17(2)27)10-6-19-8-12-23(29)25(14-19)31-4/h7-8,11-14,20-21,28-29H,5-6,9-10,15H2,1-4H3