InChI=1/C18H23N3O3/c1-21(2)12-14-5-4-6-15(9-14)20-18(23)19-11-13-7-8-17(24-3)16(22)10-13/h4-10,22H,11-12H2,1-3H3,(H2,19,20,23)/p+1/fC18H24N3O3/h19-21H/q+1 74DEE49F3A87F296