# Species Formula 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 4581 Y(III)O9 (AFARII)C18H15N6O18Y 4582 Yttrium(I) fluorideFY 4583 Yttrium(III) oxide fluorideOFY 4584 Yttrium(III) trifluorideF3Y 4585 Yttrium(III) tetrafluoride, anionF4Y 4586 Yttrium(III) hexafluorideF6Y 4587 Y(III)O6 (HEDJOP) (Geo) C18H23O6F18Y 4588 Y(III)O8 (COQDUH) (Geo)C15H7O8F18Y 4589 Y(III)O8 (COQDUH)C15H7O8F18Y 4590 Y(III)O8 (ERUYAR) (Geo)C19H13O8F18Y 4591 Y(III)O8 (ERUYAR)C19H13O8F18Y 4592 Y(III)O8(-) (CYSFAC10) (Geo)C20H4O8F24Y 4593 Y(III)O8(-) (CYSFAC10)C20H4O8F24Y 4594 Yttrium(II) sulfide (Geo)SY 4595 Yttrium(II) sulfideSY 4596 YO6N3 (BUTKEG) (Geo)C23H24N3O6S3Y 4597 YO6N3 (BUTKEG)C23H24N3O6S3Y