InChI=1S/C38H60O20/c1-6-38(5,12-8-11-17(2)9-7-10-18(3)13-20(41)14-19(4)33(49)50)58-37-32(57-35-28(47)25(44)23(42)21(15-39)53-35)30(24(43)22(16-40)54-37)55-36-29(48)26(45)27(46)31(56-36)34(51)52/h6,10-11,14,20-32,35-37,39-48H,1,7-9,12-13,15-16H2,2-5H3,(H,49,50)(H,51,52)/b17-11+,18-10+,19-14+