InChI=1/C16H21N3O2/c1-10-12(15(17)19(4)18-10)9-20-13-7-5-6-11-8-16(2,3)21-14(11)13/h5-7H,8-9,17H2,1-4H3/p+1/fC16H22N3O2/h18H/q+1 80DD9FAE3A5630D8