InChI=1/C19H26N4O2/c1-14(24)22-16-7-10-23(11-8-16)13-19(25)20-9-6-15-12-21-18-5-3-2-4-17(15)18/h2-5,12,16,21H,6-11,13H2,1H3,(H,20,25)(H,22,24)/p+1/fC19H27N4O2/h20,22-23H/q+1 30908B002645DA7A