InChI=1S/C26H38O8/c1-15(11-12-18-16(2)10-7-13-26(18,4)5)8-6-9-17(3)19(14-27)33-25-22(30)20(28)21(29)23(34-25)24(31)32/h6,8-9,11-12,14,17,19-23,25,28-30H,7,10,13H2,1-5H3,(H,31,32)/b9-6+,12-11+,15-8+