InChI=1/C18H15N5O/c1-24-14-6-7-15-16(9-14)22-18(21-15)17-13(11-20-23-17)5-4-12-3-2-8-19-10-12/h2-11H,1H3,(H,20,23)(H,21,22)/b5-4+/f/h20,22H C260DCD3C06540AE