InChI=1S/C24H30O9S/c1-16(2)4-8-22(26)17(3)12-21(33-34(28,29)30)13-18(15-25)10-11-31-20-7-5-19-6-9-24(27)32-23(19)14-20/h4-7,9-10,12,14,21-22,25-26H,8,11,13,15H2,1-3H3,(H,28,29,30)/b17-12-,18-10-