InChI=1S/C17H24O5S/c1-3-5-6-7-10-13-16-17(21-16)14-11-8-9-12-15(4-2)22-23(18,19)20/h4,15-17H,2-3,5-7,10,13-14H2,1H3,(H,18,19,20)