InChI=1/C19H26N4O3/c24-17-10-9-16(22-17)19(26)21-15-7-5-14(6-8-15)20-18(25)13-23-11-3-1-2-4-12-23/h5-8,16H,1-4,9-13H2,(H,20,25)(H,21,26)(H,22,24)/p+1/t16-/m0/s1/fC19H27N4O3/h20-23H/q+1 026D356B20662BB7