InChI=1S/C22H45NO5S/c1-21(28-29(25,26)27)19-17-15-13-11-9-7-5-3-2-4-6-8-10-12-14-16-18-20-22(23)24/h21H,2-20H2,1H3,(H2,23,24)(H,25,26,27)