InChI=1/C16H17N5O2/c1-19-6-8-20(9-7-19)16(23)12-10-14-17-15(22)11-4-2-3-5-13(11)21(14)18-12/h2-5,10H,6-9H2,1H3,(H,17,22)/p-1/fC16H16N5O2/q-1 DE29EEC13C65C0B7