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