InChI=1/C21H23N3O2/c1-4-19-23-18-8-6-5-7-17(18)21(24-19)26-13-20(25)22-16-11-9-15(10-12-16)14(2)3/h5-12,14H,4,13H2,1-3H3,(H,22,25)/f/h22H D0D7924E96318C35