InChI=1/C15H16N4O2/c1-2-3-9-19-14(20)11-13(18-15(19)21)17-12(16-11)10-7-5-4-6-8-10/h4-8,20H,2-3,9H2,1H3,(H,16,17,18,21)/p-1/fC15H15N4O2/h20h,18H/q-1 C992F5A573DD228C