InChI=1/C12H14N4O2/c1-3-16-11(17)7-10(15-12(16)18)14-9-6-8(2)4-5-13-9/h4-7H,3H2,1-2H3,(H,13,14)(H,15,18)/f/h14-15H 413913A8E12F97B3