InChI=1/C21H22N2O/c1-21(2,3)14-9-7-13(8-10-14)19-15-11-12-22-20(24)16-5-4-6-17(23-19)18(15)16/h4-10,23H,11-12H2,1-3H3,(H,22,24)/f/h22H 9425DC32042FE95C