InChI=1S/C24H30O8S/c1-15(11-12-30-18-8-6-17-7-10-23(26)31-21(17)13-18)5-9-19-16(2)20(25)14-22(24(19,3)4)32-33(27,28)29/h6-8,10-11,13,20,22,25H,5,9,12,14H2,1-4H3,(H,27,28,29)/b15-11-