InChI=1/C18H25BrN2O3/c1-3-4-9-23-15-7-5-14(6-8-15)10-13(2)20-12-16(22)17-11-18(19)21-24-17/h5-8,11,13,16,20,22H,3-4,9-10,12H2,1-2H3/p+1/t13-,16+/m1/s1/fC18H26BrN2O3/h20H/q+1 C7AFEDBBAA3F001C