InChI=1/C18H27BrN2O3/c1-12(2)16(21-7-5-6-8-21)11-20-18(22)14-9-13(23-3)10-15(19)17(14)24-4/h9-10,12,16H,5-8,11H2,1-4H3,(H,20,22)/p+1/t16-/m1/s1/fC18H28BrN2O3/h20-21H/q+1 C189A416D0F89D9B