InChI=1S/C25H26O9S/c1-15(2)4-3-5-16(14-33-35(30,31)32)6-9-21-24(29)20-11-8-18(27)13-23(20)34-25(21)19-10-7-17(26)12-22(19)28/h4,6-8,10-13,26-28H,3,5,9,14H2,1-2H3,(H,30,31,32)/b16-6-