InChI=1S/C39H60O12/c1-21(2)36-26(7)31(49-33(42)16-15-32(40)41)20-39(46,51-36)28(9)35(44)27(8)37-29(47-10)14-12-13-22(3)17-24(5)34(43)25(6)18-23(4)19-30(48-11)38(45)50-37/h12-16,18-19,21,24-29,31,34-37,43-44,46H,17,20H2,1-11H3,(H,40,41)/b14-12+,16-15+,22-13+,23-18+,30-19-