InChI=1S/C26H38O9/c1-15(10-11-18-17(14-27)9-6-12-26(18,3)4)7-5-8-16(2)13-19(28)34-25-22(31)20(29)21(30)23(35-25)24(32)33/h5,7-8,10-11,16,20-23,25,27,29-31H,6,9,12-14H2,1-4H3,(H,32,33)/b8-5+,11-10+,15-7-