InChI=1/C14H12N4O2/c15-14(20)16-8-3-1-2-7-9(8)13(19)10-11(6-4-5-6)17-18-12(7)10/h1-3,6H,4-5H2,(H,17,18)(H3,15,16,20)/f/h16,18H,15H2 A5EF7CC7F6D68D77