InChI=1/C18H19BrN2O3/c1-4-23-18(22)16-15(11-7-5-6-8-12(11)20-16)17(21(2)3)13-9-10-14(19)24-13/h5-10,17,20H,4H2,1-3H3/p+1/t17-/m1/s1/fC18H20BrN2O3/h21H/q+1 B0115563FE573F57