InChI=1/C16H17N3S/c1-12-15(9-18-19-12)8-17-10-16-7-14(11-20-16)13-5-3-2-4-6-13/h2-7,9,11,17H,8,10H2,1H3,(H,18,19)/p+1/fC16H18N3S/h17-18H/q+1 3CB7A6D4E65646ED