InChI=1/C14H21BrN2O2/c1-4-16-14(18)7-8-17(2)10-11-9-12(15)5-6-13(11)19-3/h5-6,9H,4,7-8,10H2,1-3H3,(H,16,18)/f/h16H 9F9809618C61379D