InChI=1/C22H24N4O/c1-27-21-8-6-19(7-9-21)20-5-2-4-18(16-20)17-25-12-14-26(15-13-25)22-23-10-3-11-24-22/h2-11,16H,12-15,17H2,1H3/p+1/fC22H25N4O/h25H/q+1 512E1C5B541A1F1D