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. Author manuscript; available in PMC: 2016 Oct 10.
Published in final edited form as: Chem Commun (Camb). 2015 Aug 12;51(76):14326–14329. doi: 10.1039/c5cc05931c

Fig 1.

Fig 1

UV-vis spectra observed in CH3CN at −40 °C upon O2 exposure of 1 mM Cr(OTf)2 (red) and a mixture of 1 mM Fe(TMC)(OTf)2 and 1 mM Cr(OTf)2 (black). Bands with asterisks are associated with 1.