The invention relates to complexing agents of formula (I):
in which A, chrom1, chrom2 and chrom3 are as defined in the description. The invention also relates to the lanthanide complexes obtained from these complexing agents.
该发明涉及公式(I)中的络合剂:其中A、chrom1、chrom2和chrom3如描述中所定义。该发明还涉及从这些络合剂获得的
镧系
金属络合物。