InChI=1S/C25H30O8S/c1-15(2)5-8-18-11-17(7-10-21(18)26)12-24(33-34(30,31)32)25(29)20-13-19(9-6-16(3)4)22(27)14-23(20)28/h5-7,10-11,13-14,24,26-28H,8-9,12H2,1-4H3,(H,30,31,32)