InChI=1/C21H14N8O4/c30-18-14(10-5-1-3-7-12(10)24-18)26-28-20(32)16-17(23-9-22-16)21(33)29-27-15-11-6-2-4-8-13(11)25-19(15)31/h1-9H,(H,22,23)(H,28,32)(H,29,33)(H,24,26,30)(H,25,27,31)/f/h22,24-25,28-29H/b26-14+,27-15+ 6AE1520DDFBF45AB