InChI=1S/C17H26O6S/c1-3-5-6-7-10-15(18)13-14-16(19)11-8-9-12-17(4-2)23-24(20,21)22/h4,9,12-19H,2-3,5-7,10H2,1H3,(H,20,21,22)/b12-9+,14-13+