InChI=1S/C28H46O23/c1-5-19(48-28-14(36)10(32)11(33)21(50-28)23(40)41)16(38)22(24(42)45-5)51-27-15(37)12(34)18(6(2)46-27)47-26-17(39)20(8(30)4-44-26)49-25-13(35)9(31)7(29)3-43-25/h5-22,24-39,42H,3-4H2,1-2H3,(H,40,41)