It would be worthwhile to investigate the analogous iridium and ruthenium complexes as well as the effect of different cyclopentadiene ligands on the activity/toxicity profile of these compounds. The dimer [((p-cymene)RuCl2)2] is in the CO-ADD collection but showed no significant antifungal activity. At this stage the strong haemolytic effect of this compound precludes it from further testing.