1-Bromo-3,4-dimethylbenzene 3,4-Dimethylbromobenzene 3,4-Xylyl bromide 4-Bromo-1,2-dimethylbenzene 4-Bromo-1,2-xylene 4-Bromo-o-xylene 583-71-1 Benzene, 4-bromo-1,2-dimethyl- NSC60147 o-Xylene, 4-bromo-