Fig. 1
From: Development of an iridium complex fluorescent probe for FGF21 protein labeling and tracking

Chemical structure and characterization of the Ir(III) solvent complex (IrCN). (A) 1H NMR spectrum of IrCN in dimethyl sulfoxide (DMSO)-d6. (B) High-resolution mass spectrometry (HR-MS) spectrum of IrCN.