InChI=1/C13H12N4O2/c14-13-16-10-8(6-15-11(10)12(19)17-13)4-7-2-1-3-9(18)5-7/h1-3,5-6,15,18H,4H2,(H3,14,16,17,19)/f/h17H,14H2 9DD079480425AD11