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Conceivable isomers of Re(CO)3(ASMA) with the β-carboxyl group coordinated to the metal core. Enantiomers of the isomers shown would also exist, but are not pictured. For clarity, the complexes are shown without formal charges or counterions. Linearly coordinated isomers contain adjacent five- and six-membered chelate rings, whereas tripodal isomers contain a seven-membered ring.
