InChI=1/C14H16N4O3/c19-13(20)12-15-14(21)18(16-12)11-6-4-10(5-7-11)17-8-2-1-3-9-17/h4-7H,1-3,8-9H2,(H,19,20)(H,15,16,21)/p-1/fC14H15N4O3/h15H/q-1 A225E54BA2A2146E