InChI=1/C18H23N3O3/c1-20(2)15(16-10-7-11-24-16)12-19-17(22)13-21(3)18(23)14-8-5-4-6-9-14/h4-11,15H,12-13H2,1-3H3,(H,19,22)/p+1/t15-/m0/s1/fC18H24N3O3/h19-20H/q+1 4D25C0B8F2CB8CA7