InChI=1/C11H19N5O2/c1-8-2-5-16(6-3-8)7-4-12-9-10(17)13-11(18)15-14-9/h8H,2-7H2,1H3,(H,12,14)(H2,13,15,17,18)/p+1/fC11H20N5O2/h12-13,15-16H/q+1 BF4FF6E183A0502E