InChI=1/C16H20N4O2S/c1-22-8-4-7-20-11-18-19-16(20)23-10-15(21)13-9-17-14-6-3-2-5-12(13)14/h2-3,5-6,18H,4,7-11H2,1H3/p+1/fC16H21N4O2S/h17H/q+1 9E1AA00E9AE0CA9E