InChI=1/C19H24N4O2/c1-13(6-7-14-11-20-17-5-3-2-4-16(14)17)22-8-9-23-15(12-22)10-18(21-23)19(24)25/h2-5,10,13,15,21H,6-9,11-12H2,1H3,(H,24,25)/p+1/t13-,15+/m0/s1/fC19H25N4O2/h20,22H/q+1 51226922CBA917E7