InChI=1/C14H12N4O2/c15-14(20)17-9-3-4-12-10(7-9)11(13(19)18-12)6-8-2-1-5-16-8/h1-7,16H,(H,18,19)(H3,15,17,20)/f/h17-18H,15H2 C53EBF7D9339CA6E