InChI=1/C19H19N5O/c25-19-15-2-1-7-21-17(15)24(14-3-4-14)18-16(23-19)13(6-9-22-18)10-12-5-8-20-11-12/h1-2,5-7,9,14,20H,3-4,8,10-11H2,(H,23,25)/p+1/fC19H20N5O/h20,23H/q+1 1D29C3E05F8408B4