InChI=1/C16H18N4O2S/c1-11-18-16(20-22-11)9-21-15-5-3-13(4-6-15)7-17-8-14-10-23-12(2)19-14/h3-6,10,17H,7-9H2,1-2H3/p+1/fC16H19N4O2S/h17H/q+1 5D86CADB1084CE41