InChI=1S/C34H44O17/c1-13(36)46-18-10-33(44-7)50-30(2,3)34(51-33)19(47-29-23(39)21(37)22(38)26(48-29)27(40)41)9-31(4)17(32(18,34)5)8-14-24(49-31)15(11-35)16-12-45-28(42)20(16)25(14)43-6/h17-19,21-23,26,29,35,37-39H,8-12H2,1-7H3,(H,40,41)