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