InChI=1/C19H24N4O2/c24-18(12-3-7-20-8-4-12)21-9-5-13-11-23-16-2-1-15-14(17(13)16)6-10-22-19(15)25/h1-2,11-12,20,23H,3-10H2,(H,21,24)(H,22,25)/p+1/fC19H25N4O2/h20-22H/q+1 5F6C335E059F5F38