InChI=1S/C25H32O9/c1-14-6-5-7-15(2)11-21(22-17(4)24(30)33-20(22)10-14)34-25(31)18(8-9-26)13-32-23(29)16(3)19(28)12-27/h7-8,10,19-22,26-28H,3-6,9,11-13H2,1-2H3/b14-10+,15-7+,18-8+/t19-,20-,21+,22+/m1/s1