InChI=1/C15H18N2O3/c1-3-20-15(19)12-9-16-13-7-5-4-6-11(13)14(12)17-8-10(2)18/h4-7,9-10,18H,3,8H2,1-2H3,(H,16,17)/p+1/t10-/m1/s1/fC15H19N2O3/h16-17H/q+1 7543F465CD04B89B