InChI=1/C16H16N6/c1-11-17-9-14(21(11)2)15-19-13-8-18-22(16(13)20-15)10-12-6-4-3-5-7-12/h3-9H,10H2,1-2H3,(H,19,20)/p+1/fC16H17N6/h17,20H/q+1 5E6EAF1F1DF5936C