InChI=1/C16H16N4O2/c1-18-8-10-2-4-11(5-3-10)20-9-13-14(21)7-6-12(16(17)22)15(13)19-20/h2-7,9,18,21H,8H2,1H3,(H2,17,22)/p+1/fC16H17N4O2/h18H,17H2/q+1 D43865D378615431