InChI=1S/C17H24O6S/c1-3-5-6-7-11-16(19)13-14-17(23-24(20,21)22)12-9-8-10-15(18)4-2/h4,13-19H,2-3,5-7,11H2,1H3,(H,20,21,22)/b14-13-