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