InChI=1/C15H16N4O/c1-9-4-5-12(6-13(9)20)18-15-14-11(3)10(2)7-19(14)17-8-16-15/h4-8,20H,1-3H3,(H,16,17,18)/f/h18H F105FEF2BA3B325B