# Species Formula 4629 Yttrium(III) hexabromideBr6Y 4630 Yttrium, dimer (Geo)Y2 4631 Yttrium, dimer WARNINGY2 4632 Yttrium dichloride, dimer (Geo)Cl4Y2 4633 Yttrium dichloride, dimerCl4Y2 4634 Zirconium, atomZr 4635 Zirconium, anionZr 4636 Zirconium hydrideHZr 4637 ZrH4H4Zr 4638 ZrH4 (Geo)H4Zr 4639 Zr(IV)(Me)6(2-) (JAMWOJ) (Geo) C6H18Zr 4640 Zr(IV)(Me)6(2-) (JAMWOJ)C6H18Zr 4641 Bicyclopentadienyl dimethyl zirconiumC12H16Zr 4642 Zr(IV)(Cp)2C4 (CPDZRA) (Geo)C14H16Zr 4643 Zr(IV)(Cp)2C4 (CPDZRA)C14H16Zr 4644 ZrC12 (JANDIL10) (Geo)C14H16Zr 4645 ZrC12 (JANDIL10)C14H16Zr 4646 Zirconium tetra(neopentyl)C20H44Zr 4647 Bicyclopentadienyl biphenyl zirconiumC22H20Zr 4648 Tetrabenzyl zirconiumC28H28Zr 4649 Zirconium nitrideNZr