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