InChI=1/C22H23N3O2/c1-4-8-19-21(22(26)27-5-2)20(17(13-23)14(3)25-19)16-11-12-24-18-10-7-6-9-15(16)18/h6-7,9-12,20,25H,4-5,8H2,1-3H3/t20-/m0/s1 A2EF49ED973E9662