InChI=1/C17H16N6O/c1-23-16(14-5-3-2-4-6-14)20-22-17(23)21-19-11-12-7-9-13(10-8-12)15(18)24/h2-11H,1H3,(H2,18,24)(H,21,22)/b19-11+/f/h21H,18H2 4BBF385444FE3B19