Tert-butyl 3-bromo-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-carboxylate
Ethyl 7-bromo-1H-indole-2-carboxylate
Methyl 2-bromo-5-methoxybenzoate
5-(4-Bromophenyl)-1,3-oxazole