InChI=1/C13H18N4O2/c18-17(19)13-4-3-11(16-7-5-14-6-8-16)9-12(13)15-10-1-2-10/h3-4,9-10,14-15H,1-2,5-8H2/p+1/fC13H19N4O2/h14H/q+1 A3DA8D7B2C0BD1A9