InChI=1/C16H18N4O2/c21-14-9-13(16(22)19-14)20-7-5-10(6-8-20)15-17-11-3-1-2-4-12(11)18-15/h1-4,10,13H,5-9H2,(H,17,18)(H,19,21,22)/p+1/t13-/m0/s1/fC16H19N4O2/h17,19-20H/q+1 D346F548A84E800E