(η5-cyclopentadienyl)(methyl)zirconium{1,2-bis(dimethylphosphino)ethane}(η4-butadiene)

W(CH-t-Bu)(N-2,6-diisopropylphenyl)(hexafluoro-tert-butoxide)2

顺-2-戊烯

(di-2-pyridylmethyl-amide)2Fe

sec-butylium