aquapentaammineruthenium(III)

tetraammineruthenium(III)(H2O)(pyridine)(3+)

[Ru(ethylenediaminetetraacetate)(pyrazine)](1-)

1,8-bis(2-pyridyl)-3,6-dimethyl-3,6-diazaoctane copper(II)

[Ru(NH3)5(pyridine)](2+)