InChI=1S/C29H50O17/c1-5-12(3)16(7-14(31)8-19(32)33)43-20(34)10-15(42-28-25(39)22(36)23(37)26(46-28)27(40)41)9-17(13(4)6-2)44-29-24(38)21(35)18(11-30)45-29/h12-18,21-26,28-31,35-39H,5-11H2,1-4H3,(H,32,33)(H,40,41)