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