SEARCH Articles Figures Tables 2-aryl 4-carboxylates Acid halides Acidic halides Amidation aryl halides Amide halides Amides arylation Amides carboxylates Aryl acid Aryl amides Aryl carboxylate Aryl carboxylic acids Carboxylic acid amid halides Carboxylic acid arylation Carboxylic acid halides Carboxylic acids acid halides Carboxylic amides Carboxylic halides 229 Halides carboxylation Halides carboxylic acid halide