Cerium(III) Acetate Hydrate; Erbium(III) acetate tetrahydrate; Erbium(III) trifluoromethanesulfonate ; Europium(III) trifluoromethanesulfonate; Dysprosium(III) nitrate pentahydrate;Dysprosium(III) trifluoromethanesulfonate; Tris(pyrazol-1-YL)methane ; Terbium(III) nitrate hexahydrate; Europium(III) nitratehydrate ; Lanthanum(III) nitrate hexahydrate; Cerium(III) nitratehexahydrate ;