InChI=1S/C26H48O8/c1-20(27)18-16-14-12-10-8-6-4-2-3-5-7-9-11-13-15-17-19-33-26-23(30)21(28)22(29)24(34-26)25(31)32/h4,6,20-24,26-30H,2-3,5,7-19H2,1H3,(H,31,32)/b6-4+