InChI=1/C20H24N4/c1-2-4-15(5-3-1)13-21-17-6-8-18(9-7-17)23-19-10-11-20-16(12-19)14-22-24-20/h1-5,10-12,14,17-18,21,23H,6-9,13H2,(H,22,24)/p+1/fC20H25N4/h21,24H/q+1 F92BE2C6CC740345