InChI=1/C16H16N4O2/c1-3-11-4-6-12(7-5-11)19-16(22)13-9-17-20-14(21)8-10(2)18-15(13)20/h4-9,21H,3H2,1-2H3,(H,19,22)/p-1/fC16H15N4O2/h21h,19H/q-1 42E9D51C66555783