InChI=1/C11H16N4O/c1-7-3-4-9(8(2)5-7)15-10(16)6-14-11(12)13/h3-5H,6H2,1-2H3,(H,15,16)(H4,12,13,14)/p+1/fC11H17N4O/h14-15H,12-13H2/q+1 DEDB88DE0C1966E4