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