for the following products
2-(4'-Bromomethylphenyl)propionic acid | 2-(4-Bromomethyl)phenylpropionic acid | 2-[(p-Bromomethyl)phenyl]propionic acid | 2-[4-(Bromomethyl)phenyl]propionic acid | Of different acrylic acid methyl bromide and 2-[4-(Bromomethyl)phenyl]propanoic acid
