InChI=1/C14H16N4O2/c1-8-2-4-11(13-10(8)7-16-18-13)17-14(20)9-3-5-12(19)15-6-9/h2,4,7,9H,3,5-6H2,1H3,(H,15,19)(H,16,18)(H,17,20)/t9-/m0/s1/f/h15,17-18H B3C92957BD15B989