目前，这方面的研究主要集中在如苯二甲酸，均苯三甲酸等刚性芳香多羧酸配体。
The current topical areas focus on the rigid aromatic multicarboxylate ligands, such as benzene dicarboxylic acid and benzene tricarboxylic acid.
然而，增塑剂和苯二甲酸的试验数据是多的挑战，因为从一个极端的情况下在瑞典实验室数据，而这种极端的情况下是不可能发生的做法。
However, DINP and DIDP which test data is multi-challenged, because the data from one laboratory in Sweden extreme circumstances, and such extreme cases can not happen in practice.
然而，增塑剂和苯二甲酸的试验数据是多的挑战，因为从一个极端的情况下在瑞典实验室数据，而这种极端的情况下是不可能发生的做法。
However, DINP and DIDP which test data is multi-challenged, because the data from one laboratory in Sweden extreme circumstances, and such extreme cases can not happen in practice.
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