InChI=1/C16H16N4O2/c1-20(2)9-14(21)18-10-7-13-15(17-8-10)11-5-3-4-6-12(11)16(22)19-13/h3-8H,9H2,1-2H3,(H,18,21)(H,19,22)/p+1/fC16H17N4O2/h18-20H/q+1 2C0BD5E35AF1F562