Synonyms: Yttrium,tris(2,4-pentanedionato)- (6CI,7CI,8CI); Yttrium,tris(2,4-pentanedionato-O,O')-, (OC-6-11)-; Yttrium, tris(2,4-pentanedionato-kO,kO')-, (OC-6-11)- (9CI); Acetylacetone yttrium; NSC139626; Tris(2,4-pentanedionato)yttrium; Tris(acetylacetonato)yttrium;Tris(acetylacetonato)yttrium(III); Yttrium acetylacetonate; Yttriumtris(acetylacetonate); Yttrium(III) acetylacetonate