InChI=1S/C17H26N2O4S/c1-23-14-6-8-15(9-7-14)24(21,22)12-13-4-2-3-5-16(13)17(20)19-11-10-18/h6-9,13,16H,2-5,10-12,18H2,1H3,(H,19,20)/t13-,16+/m0/s1