InChI=1/C17H20N2O2S/c1-17(2,3)14-6-4-13(5-7-14)12-19-15-8-10-16(11-9-15)22(18,20)21/h4-12H,1-3H3,(H2,18,20,21)/f/h18H2 DE468512A5E18520