InChI=1/C16H18N4S/c1-3-12(17)10-4-5-14-11(8-10)9(2)15(21-14)13-6-7-19-16(18)20-13/h4-8,12H,3,17H2,1-2H3,(H2,18,19,20)/p+1/t12-/m0/s1/fC16H19N4S/h17H,18H2/q+1 BD772C4EFF9C8F4E