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