Chiral quadridentate ligands based on amino acids: template syntheses and properties of the free ligands and their transition-metal complexes - Balla, József; Bernhardt, Paul V.; Buglyo, Peter; Comba, Peter; Hambley, Trevor W.; Schmidlin, Reto; Stebler, Sandra; Várnagy, Katalin (Dalton transactions, 1993)
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