Stablility experiments and competition experiments with glutathion (GSH) and L -cysteine respectively show that the three novel tridentate complexes have a high stability in vitro .

• GSH,L 半胱氨酸体外竞争稳定性实验证明其不易受到裸露-SH的进攻,因而在体内也会有较高的稳定性;