InChI=1/C16H21N3/c1-2-14(9-11-3-4-11)18-16-8-5-12-10-13(17)6-7-15(12)19-16/h5-8,10-11,14H,2-4,9,17H2,1H3,(H,18,19)/t14-/m1/s1/f/h18H DA39FBA60E66BDF4