InChI=1/C16H23BrN2O3/c1-21-14-8-11(9-19-12-5-3-2-4-6-12)7-13(17)16(14)22-10-15(18)20/h7-8,12,19H,2-6,9-10H2,1H3,(H2,18,20)/p+1/fC16H24BrN2O3/h19H,18H2/q+1 BD0120E352F93CA1