InChI=1S/C17H26O6S/c1-3-17(23-24(20,21)22)14-10-9-13-16(19)12-8-6-4-5-7-11-15(2)18/h3,8,10,12,14-19H,1,4-7,11H2,2H3,(H,20,21,22)/b12-8+,14-10+