InChI=1S/C38H62O17/c1-7-38(6,55-37-31(47)32(25(41)23(17-39)52-37)53-36-30(46)27(43)28(44)33(54-36)34(48)49)16-10-15-20(3)12-8-11-19(2)13-9-14-21(4)18-50-35-29(45)26(42)24(40)22(5)51-35/h7,11,14-15,22-33,35-37,39-47H,1,8-10,12-13,16-18H2,2-6H3,(H,48,49)/b19-11-,20-15+,21-14+