InChI=1/C19H24N4O2/c1-14-6-7-18(25-14)19-15(12-21-22-19)11-20-13-16(17-5-4-10-24-17)23-8-2-3-9-23/h4-7,10,12,16,20H,2-3,8-9,11,13H2,1H3,(H,21,22)/p+1/t16-/m1/s1/fC19H25N4O2/h22-23H/q+1 FD22A192C41C12D5