InChI=1S/C26H38O9/c1-13(8-9-16-14(2)7-6-10-26(16,4)5)11-17-22(33-17)15(3)12-18(27)34-25-21(30)19(28)20(29)23(35-25)24(31)32/h8-9,11,15,17,19-23,25,28-30H,6-7,10,12H2,1-5H3,(H,31,32)/b9-8+,13-11-