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