InChI=1/C12H18N4O2/c1-9-6-11(16(17)18)7-14-12(9)15-5-3-4-10(8-15)13-2/h6-7,10,13H,3-5,8H2,1-2H3/p+1/t10-/m1/s1/fC12H19N4O2/h13H/q+1 A3541BE32B032ADF