Synthesis, Characterization, and Biological Studies of a Piperidinyl Appended Dipicolylamine Ligand and Its Rhenium Tricarbonyl Complex as Potential Therapeutic Agents for Human Breast Cancer

Table 8

IC₅₀ values reported for ligand and the complex at 24, 48, and 72 hr incubation period.

Test compound	IC50 values/µM
	24 hr	48 hr	72 hr
Ligand	262	209	95
Complex	283	391	915