InChI=1/C16H22N4O/c17-10-3-1-2-4-16(21)18-12-13-5-7-14(8-6-13)15-9-11-19-20-15/h5-9,11H,1-4,10,12,17H2,(H,18,21)(H,19,20)/p+1/fC16H23N4O/h17-18,20H/q+1 1CDF5368A5BA84D8