InChI=1S/C17H24O5S/c1-3-5-6-7-8-9-10-14-17(22-23(19,20)21)15-12-11-13-16(18)4-2/h4,10,14,16-18H,2-3,5-9H2,1H3,(H,19,20,21)/b14-10-