InChI=1/C16H22N4O2/c1-12-3-5-13(6-4-12)15-20-14(11-22-15)7-8-18-16(17)19-9-10-21-2/h3-6,11H,7-10H2,1-2H3,(H3,17,18,19)/p+1/fC16H23N4O2/h18-19H,17H2/q+1 CFE1E72E3DFAEDF8