InChI=1/C16H16N6O/c1-2-3-4-12-19-15-13(17-9-18-15)16-20-14(21-22(12)16)10-5-7-11(23)8-6-10/h5-9,23H,2-4H2,1H3,(H,17,18)/f/h18H B83EE848370423FB