InChI=1/C16H20N4O2S/c1-11-10-23-14(18-11)8-17-15(21)16(22)19-13-6-4-5-12(7-13)9-20(2)3/h4-7,10H,8-9H2,1-3H3,(H,17,21)(H,19,22)/p+1/fC16H21N4O2S/h17,19-20H/q+1 6907F07111BD36CF