稀土元素是元素周期表中的17种化学元素之一，特别是15种镧系元素以及钪和钇。
Yttrium(III) trifluoromethanesulfonate
Scandium(III) trifluoromethanesulfonate
Cerium(III) chloride
Yttrium (III) isopropoxide
Tris(6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedionate)praseodymium(III)
Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)praseodymium(III)
Terbium, tris(2,4-pentanedionato-κO2,κO4)(1,10-phenanthroline-κN1,κN10)-
