InChI=1/C16H25BrN2O/c1-5-6-11(2)18-16(20)13(4)19-12(3)14-7-9-15(17)10-8-14/h7-13,19H,5-6H2,1-4H3,(H,18,20)/t11-,12+,13-/m1/s1/f/h18H F3FDC7433057AF5C