InChI=1/C12H18N4O2/c1-9-3-2-6-15(11(9)7-13)10-4-5-12(14-8-10)16(17)18/h4-5,8-9,11H,2-3,6-7,13H2,1H3/p+1/t9-,11+/m0/s1/fC12H19N4O2/h13H/q+1 0021F1ACC5F85759