InChI=1/C13H18N4O2/c18-8-3-6-15-13-16-11-5-2-1-4-10(11)12(17-13)14-7-9-19/h1-2,4-5,18-19H,3,6-9H2,(H2,14,15,16,17)/p+1/fC13H19N4O2/h14-16H/q+1 F0FC9F05E8CC8E4C