InChI=1/C18H19N5O2/c24-17-14-8-2-1-7-13(14)16(22-23-17)18(25)21-12-6-5-11-20-15-9-3-4-10-19-15/h1-4,7-10H,5-6,11-12H2,(H,19,20)(H,21,25)(H,23,24)/p+1/fC18H20N5O2/h19-21,23H/q+1 15F4D5D5EA1F3021