InChI=1S/C33H52O9/c1-16(2)7-6-8-17(3)20-9-10-21-19-14-24(41-31-28(38)26(36)27(37)29(42-31)30(39)40)22-13-18(34)11-12-32(22,4)25(19)23(35)15-33(20,21)5/h10,16-18,20,22-24,26-29,31,34-38H,6-9,11-15H2,1-5H3,(H,39,40)