InChI=1S/C33H44O9/c1-19-14-15-32(7,8)28(40-23(5)35)17-27(39-22(4)34)20(2)16-26-29(42-31(37)25-12-10-9-11-13-25)21(3)18-33(26,38)30(19)41-24(6)36/h9-16,19,21,26-30,38H,17-18H2,1-8H3/b15-14-,20-16-