InChI=1/C16H19N3O2/c1-19(2)14(12-6-4-3-5-7-12)11-18-16(21)13-8-9-15(20)17-10-13/h3-10,14H,11H2,1-2H3,(H,17,20)(H,18,21)/p+1/t14-/m1/s1/fC16H20N3O2/h17-19H/q+1 4FC1B637752AD22F