InChI=1/C19H11ClN6O2/c20-17-7-6-15(26(27)28)9-12(17)8-13(10-21)18-16(11-22)19(23)25(24-18)14-4-2-1-3-5-14/h1-9H,23H2/b13-8+ 1ED60F1E3EDF7883