InChI=1S/C38H60O19/c1-7-38(6,51)13-9-12-17(2)10-8-11-18(3)14-21(39)15-19(4)34(49)55-32-25(42)23(40)20(5)53-37(32)52-16-22-30(27(44)28(45)35(50)54-22)56-36-29(46)24(41)26(43)31(57-36)33(47)48/h7,11-12,15,20-32,35-37,39-46,50-51H,1,8-10,13-14,16H2,2-6H3,(H,47,48)/b17-12-,18-11-,19-15-