InChI=1S/C24H30O8S/c1-15(2)4-8-19-18(20(9-5-16(3)14-25)23(28)13-22(19)27)10-6-17-7-11-21(26)24(12-17)32-33(29,30)31/h4-5,7,11-13,25-28H,6,8-10,14H2,1-3H3,(H,29,30,31)/b16-5+