InChI=1/C19H23N3O2/c20-15-6-4-14(5-7-15)8-10-21-12-16(23)13-24-19-3-1-2-18-17(19)9-11-22-18/h1-7,9,11,16,21-23H,8,10,12-13,20H2/p+1/t16-/m1/s1/fC19H24N3O2/h21H/q+1 3EF822D763AAD74B