# Species Formula 4560 Yttrium(II) oxide (Geo)OY 4561 Yttrium(II) oxideOY 4562 Yttrium oxide, anionOY 4563 Y(Cp)3O (BACZOU) (Geo)C19H23OY 4564 Y(Cp)3O (BACZOU)C19H23OY 4565 Y(III)(Cp)2O2(+) (PEZDAZ) (Geo)C16H22O2Y 4566 Y(III)(Cp)2O2(+) (PEZDAZ)C16H22O2Y 4567 Yttrium(III) hexaquo (Geo)H12O6Y 4568 Y(II)(H2O)6H12O6Y 4569 Y(II)(H2O)6 (Geo)H12O6Y 4570 Y(III)O8(3+) (BEJDOJ) (Geo) H16O8Y 4571 Y(III)O8(3+) (BEJDOJ)H16O8Y 4572 Y(III)O8 (YACACT) (Geo)C15H25O8Y 4573 Y(III)O8 (YACACT)C15H25O8Y 4574 Y(III)O9(3+) (AYETHS01) (Geo)H18O9Y 4575 Y(III)O9(3+) (AYETHS01)H18O9Y 4576 Y(III)O9 (BONTUT) (Geo)H6N3O12Y 4577 Y(III)O9 (BONTUT)H6N3O12Y 4578 Y(III)O9 (VARQOU) (Geo)C12H15O15Y 4579 Y(III)O9 (VARQOU)C12H15O15Y 4580 Y(III)O9 (AFARII) (Geo)C18H15N6O18Y