InChI=1/C14H14N4O2/c15-13(19)9-3-5-10(6-4-9)14(20)16-12-7-11(17-18-12)8-1-2-8/h3-8H,1-2H2,(H2,15,19)(H2,16,17,18,20)/f/h16-17H,15H2 62D4F92B68122C4C