InChI=1S/C32H50O15/c1-6-32(5,12-8-11-16(2)9-7-10-17(3)13-19(33)14-18(4)28(40)41)47-31-26(39)22(35)21(34)20(45-31)15-44-30-25(38)23(36)24(37)27(46-30)29(42)43/h6,10-11,14,19-27,30-31,33-39H,1,7-9,12-13,15H2,2-5H3,(H,40,41)(H,42,43)/b16-11+,17-10+,18-14+