A prefix that indicates the presence of a bromine atom in a molecule.
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1-benzyloxy-4-(2-bromo-ethyl)-5,6,7,8-tetrahydro-naphthalene-2-carboxylic acid ethyl ester
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2-methyl-6-(4-nitrophenyl)imidazo[2,1-b][1,3,4]thiadiazole