1-Bromo-3,4-dimethoxybenzene 2859-78-1 3,4-Dimethoxybromobenzene 3,4-Dimethoxyphenyl bromide 4-Bromo-1,2-dimethoxybenzene 4-Bromoveratrole Benzene, 4-bromo-1,2-dimethoxy- NSC36284 p-Bromoveratrole