InChI=1S/C26H36O8/c1-16(7-5-8-17(2)12-14-27)10-11-19-18(9-6-13-26(19,3)4)15-33-25-22(30)20(28)21(29)23(34-25)24(31)32/h5,7-8,10-12,14,20-23,25,28-30H,6,9,13,15H2,1-4H3,(H,31,32)/b8-5+,11-10+,16-7+,17-12+