InChI=1/C16H22N4O/c1-2-8-20-9-6-11(7-10-20)16-18-13-5-3-4-12(15(17)21)14(13)19-16/h3-5,11H,2,6-10H2,1H3,(H2,17,21)(H,18,19)/p+1/fC16H23N4O/h18,20H,17H2/q+1 CFBCC281FEBFBB43