InChI=1/C18H12N6O4/c25-15-13(9-5-1-3-7-11(9)19-15)21-23-17(27)18(28)24-22-14-10-6-2-4-8-12(10)20-16(14)26/h1-8H,(H,23,27)(H,24,28)(H,19,21,25)(H,20,22,26)/f/h19-20,23-24H/b21-13-,22-14+ E787240090154BC8