InChI=1S/C20H38O5S/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-20(19-21)25-26(22,23)24/h9-10,19-20H,2-8,11-18H2,1H3,(H,22,23,24)/b10-9+