InChI=1/C20H18N4/c1-13-14(2)24(16-11-7-4-8-12-16)20-17(13)18(21)22-19(23-20)15-9-5-3-6-10-15/h3-12H,1-2H3,(H2,21,22,23)/p+1/fC20H19N4/h23H,21H2/q+1 9131A9B5A84E1D07