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. 2016 Jun 20;60(7):4217–4228. doi: 10.1128/AAC.01575-15

FIG 2.

FIG 2

IR spectra of compound 5f and its iron complex. IR spectra of compound 5f alone (A) and compound 5f plus Fe(III) (B). The structure of compound 5f with the bonds responsible for the IR peaks is assigned using alphabetical notation in the inset in panel A. Arrows indicate the change of IR peaks due to chelation.