SEARCH Articles Figures Tables 4- formyl-5-alkenenitrile 1,3-alkadiene iron tricarbonyl carboxylate ester Carboxylic acids iron complexes Cobalt-Substituted Hydrazinium Iron Hydrazine Carboxylate Hydrate Iron carbonyl complexes carboxylic acid synthesis Iron carboxylate groups Iron carboxylate nanoscale metal-organic frameworks Iron carboxylates, interference with Iron complexes carboxylates