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. Author manuscript; available in PMC: 2022 Sep 16.
Published in final edited form as: ChemMedChem. 2021 Jun 10;16(18):2764–2768. doi: 10.1002/cmdc.202100278

Figure 4.

Figure 4.

EPR spectra of [Fe(244mTC−H)2]+ (top) and [Fe(IT1−H)2]+ (bottom) in frozen DMSO/water solution (70/30%, v/v). The pH of the solution was estimated at 7.0 using colorimetric indicator strips with a sensitivity of 0.5 pH units. Experimental conditions: microwave frequency, 9.4 GHz; microwave power, 2 mW; magnetic field modulation amplitude, 0.2 mT; temperature, 77 K.