InChI=1/C14H20N4O2/c1-14(2,3)15-7-6-12(19)16-9-4-5-10-11(8-9)18-13(20)17-10/h4-5,8,15H,6-7H2,1-3H3,(H,16,19)(H2,17,18,20)/p+1/fC14H21N4O2/h15-18H/q+1 CBFDE9A90C3BA3B8