InChI=1/C21H23N3O2/c1-23(2)16-10-15-6-4-5-7-20(15)24(13-16)21(25)19-11-14-8-9-17(26-3)12-18(14)22-19/h4-9,11-12,16,22H,10,13H2,1-3H3/p+1/t16-/m1/s1/fC21H24N3O2/h23H/q+1 AC9074B76E1EEB1E