InChI=1S/C19H39NO5S/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-26(23,24)25-17-18(20)19(21)22/h18H,2-17,20H2,1H3,(H,21,22)/t18-/m0/s1