“…Complexes of 1,1-dimethylbiguanide, namely Cu(II) (Viossat et al, 1995;Zhu et al, 2002), Rh(III) (Spacu & Gheorghiu, 1968), Ir(III) (Gheorghiu, 1969), Os(II) and Os(III) (Spacu & Gheorghiu, 1969), Tc(V) and Re(V) complexes (Marchi et al, 1999) have been studied.…”