InChI=1/C15H21BrN2O2/c1-10-3-2-6-15(8-10,9-19)18-14(20)11-4-5-12(16)13(17)7-11/h4-5,7,10,19H,2-3,6,8-9,17H2,1H3,(H,18,20)/t10-,15+/m1/s1/f/h18H F1F93496C80B0501