12093-10-6 2-Ferrocenecarboxaldehyde Cyclopentadienecarboxaldehyde, cyclopentadienyliron deriv. Ferrocene, formyl- Ferrocenealdehyde Ferrocenecarbaldehyde Ferrocenecarboxaldehyde Formyldicyclopentadienyliron Formylferrocene Iron, .pi.-cyclopentadienyl(formyl-.pi.-cyclopentadienyl)- NSC407052