InChI=1S/C33H32O9/c1-15(2)4-7-20-24(35)9-5-17-12-27(42-32(17)20)22-14-26(37)29(31(39)30(22)38)23-11-16(3)10-21(28(23)33(40)41)19-8-6-18(34)13-25(19)36/h4-6,8-9,11-14,21,23,28,34-39H,7,10H2,1-3H3,(H,40,41)