InChI=1/C16H21N5OS/c1-2-20-15(13-6-4-3-5-7-13)18-21(16(20)23)12-19-10-8-14(22)17-9-11-19/h3-7H,2,8-12H2,1H3,(H,17,22)/p+1/fC16H22N5OS/h17,19H/q+1 C4477B29FBCF68E5