InChI=1/C13H20N2O2S/c1-9-3-2-5-13(7-9,8-16)15-12(17)11-10(14)4-6-18-11/h4,6,9,16H,2-3,5,7-8,14H2,1H3,(H,15,17)/t9-,13-/m1/s1/f/h15H E518E6B304CF8202