InChI=1/C16H18N4O2S/c1-2-20(9-12-4-3-7-23-12)10-15(21)17-11-5-6-13-14(8-11)19-16(22)18-13/h3-8H,2,9-10H2,1H3,(H,17,21)(H2,18,19,22)/p+1/fC16H19N4O2S/h17-20H/q+1 591ECF3514C8764A