InChI=1/C18H16N8O2/c19-18-22-16-13(17-21-15(23-26(17)18)14-2-1-9-28-14)10-20-25(16)8-7-11-3-5-12(24-27)6-4-11/h1-6,9-10,24,27H,7-8H2,(H2,19,22)/f/h19H2 9D57FA563F6B5A04