InChI=1/C12H12N6O/c1-2-3-6-9-14-11(13)18-12(15-9)16-10(17-18)8-5-4-7-19-8/h2,4-5,7H,1,3,6H2,(H2,13,14,15,16,17)/f/h13-14H 1D55C05050FF2A5C