https://www.jic.ac.uk/research-impact/publications/iron-complexes-of-the-nch2ch2s33-ligand-a-paramagnetic-trigonal-bipyramidal-f3ii-co-complex-as-a-chelate-ligand/
Iron complexes of the N(CH2CH2S)33- ligand; a paramagnetic, trigonal bipyramidal F3(II) CO complex...