Synonyms: Magnesium, bromo(4-ethenylphenyl)-, Magnesium, bromo(p-vinylphenyl)- (8CI); p-Vinylphenylmagnesium bromide (6CI); Benzene, ethenyl-, magnesium complex;Bromo(4-ethenylphenyl)magnesium; (4-Vinylphenyl)magnesium bromide; p-Styrylmagnesium bromine