InChI=1S/C17H26O5S/c1-3-5-6-7-8-9-10-13-16(18)14-11-12-15-17(4-2)22-23(19,20)21/h4,10,12-13,15-18H,2-3,5-9H2,1H3,(H,19,20,21)/b13-10+,15-12+