InChI=1/C16H23BrN2O/c1-3-8-18-16(20)11(2)19-15-9-13(10-15)12-4-6-14(17)7-5-12/h4-7,11,13,15,19H,3,8-10H2,1-2H3,(H,18,20)/p+1/t11-,13?,15?/m1/s1/fC16H24BrN2O/h18-19H/q+1 E265D2F4F67E21B3