Acetylferrocene1271-55-2100 % similar 1,1′-Diacetylferrocene1273-94-577 % similar Ferrocenecarboxaldehyde12093-10-644 % similar Ferrocene102-54-542 % similar Ferrocenecarboxylic acid1271-42-734 % similar Benzoylferrocene1272-44-233 % similar Ferroceneacetic acid1287-16-732 % similar Ferroceneboronic acid12152-94-231 % similar Ethylferrocene1273-89-830 % similar