InChI=1S/C26H32O9/c1-13(9-10-18-15(3)12-19(27)17(5)16(18)4)7-6-8-14(2)11-20(28)34-26-23(31)21(29)22(30)24(35-26)25(32)33/h6-12,21-24,26-27,29-31H,1-5H3,(H,32,33)/b8-6+,10-9+,13-7+,14-11-