InChI=1/C19H26N4O/c1-4-23(5-2)12-14-6-8-16(9-7-14)19(24)20-18-13(3)17(21-22-18)15-10-11-15/h6-9,15H,4-5,10-12H2,1-3H3,(H2,20,21,22,24)/p+1/fC19H27N4O/h20-21,23H/q+1 FCFE30E739D4BA4A