InChI=1/C16H20N4O2/c1-3-22-16(21)19-13-8-9-14(20-15(13)17)18-10-12-7-5-4-6-11(12)2/h4-9H,3,10H2,1-2H3,(H,19,21)(H3,17,18,20)/p+1/fC16H21N4O2/h18-20H,17H2/q+1 E09E65EB302BEED7