. . . "(C₅H₅)Fe(CO)₂CH₃" . "Fp dimer" . . . "Di-\u03BC-carbonyldicarbonylbis(\u03B75-cyclopenta-2,4-dien-1-yl)diiron" . . "cyclopentadienyliron dicarbonyl anion" . . "Cyclopentadienyliron dicarbonyl dimer" . . . "Bis(cyclopentadienyl)tetracarbonyl-diiron," . "Fp" . "cyclopentadienyliron dicarbonyl dimer" . "Cyclopentadienyliron dicarbonyl dimer" . "Bis(dicarbonylcyclopentadienyliron)" . . . "[CpFe(CO)₂]₂" . . "Di(cyclopentadienyl)tetracarbonyl-diiron," .