InChI=1/C16H20N4O2/c1-10-15-12(11-5-3-4-6-13(11)18-15)7-8-20(10)9-14(21)19-16(22)17-2/h3-6,10,15H,7-9H2,1-2H3,(H2,17,19,21,22)/p+2/t10-,15+/m0/s1/fC16H22N4O2/h17-20H/q+2 C45C7D919864C5E5