InChI=1/C13H18N4O2/c1-3-16(4-2)8-7-15-12-6-5-11(10-14)9-13(12)17(18)19/h5-6,9,15H,3-4,7-8H2,1-2H3/p+1/fC13H19N4O2/h16H/q+1 E723F4AB983A460B