115348-40-8 12116-66-4 23845-56-9 Dichlorobis(eta-cyclopentadienyl)hafnium Dichlorobis(eta5-cyclopenta-2,4-dien-1-yl)hafnium Dichlorodicyclopentadienylhafnium Dicyclopentadienylhafnium dichloride EINECS 235-177-5 Hafnium dicyclopentadiene dichloride Hafnium, dichlorobis(eta(5)-2,4-cyclopentadien-1-yl)- Hafnium, dichlorobis(eta5-2,4-cyclopentadien-1-yl)- Hafnium, dichlorodi-pi-cyclopentadienyl- Hafnocene dichloride NSC 102788