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