InChI=1/C18H23N3O2/c1-21(2)13-16-6-4-3-5-15(16)12-20-18(23)19-11-14-7-9-17(22)10-8-14/h3-10,22H,11-13H2,1-2H3,(H2,19,20,23)/p+1/fC18H24N3O2/h19-21H/q+1 413F4C5A17CCEEE4