InChI=1/C21H25N3O2/c1-21-11-12-24(14-15-7-5-4-6-8-15)19(21)23(3)18-10-9-16(13-17(18)21)26-20(25)22-2/h4-10,13,19H,11-12,14H2,1-3H3,(H,22,25)/p+1/t19-,21+/m1/s1/fC21H26N3O2/h22,24H/q+1 E5CC22E4E3B2C103