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