InChI=1/C19H16N4O2/c20-17(21)14-3-1-13-10-15(4-2-12(13)9-14)19(25)23-16-7-5-11(6-8-16)18(22)24/h1-10H,(H3,20,21)(H2,22,24)(H,23,25)/p+1/fC19H17N4O2/h23H,20-22H2/q+1 A38E1AC71F68AC47