InChI=1S/C26H36O9/c1-13(12-16(27)33-25-20(30)18(28)19(29)23(35-25)24(31)32)8-6-9-15(3)21-22(34-21)17-14(2)10-7-11-26(17,4)5/h6,8-9,12,18-23,25,28-30H,7,10-11H2,1-5H3,(H,31,32)/b8-6+,13-12+,15-9+