Synonyms: Yttrium,tris(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato)- (8CI); Yttrium, tris(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato-O,O')-,(OC-6-11)-; Yttrium, tris(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato-kO,kO')-, (OC-6-11)- (9CI);Tris(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato)yttrium;Tris(1,1,1,5,5,5-hexafluoroacetylacetonato)yttrium; Tris(hexafluoroacetylacetonato)yttrium;Yttrium(III) hexafluoroacetylacetonate