InChI=1/C15H21N3O2/c1-10-9-11(2)14(18-6-4-16-5-7-18)15-13(10)17-12(19)3-8-20-15/h9,16H,3-8H2,1-2H3,(H,17,19)/p+1/fC15H22N3O2/h16-17H/q+1 1F8C5C9654E57F7E