EE4117402 Hafnium tetrabutanolate Hafniumtetrabutanolaat [Dutch] Hafniumtetrabutanolat [Danish] Hafniumtetrabutanolat [German] Tetrabutanolate d'hafnium [French] Tetrabutanolato de hafnio [Portuguese] Tetrabutanolato de hafnio [Spanish] Tetrabutanolato di afnio [Italian] Tilcom HTB