DNA Binding and Photocleavage Studies of Cobalt(III) Ethylenediamine Pyridine Complexes: [Co(en)2(py)2]3+ and [Co(en)2(mepy)2]3+

Table 2

IC₅₀ values of complexes 1, 2.

Complexes	IC50(nm) Mean±SEM
[Co(en)2(mepy)2]Br3	1.8 μM
[Co(en)2(py)2]Br3	1.75 μM