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2D DQF-COSY sub-spectrum of Δ-Rh(bpy-d8)2chrysi3+ inserted in DNA at 10 °C (F2 × F1: H1′ × H2′-H2″). Only the cross-peaks associated with H1′-H2′ correlations are visible. Those corresponding to H1′-H2″ correlations are only observed with lower signal to noise ratio. The cross-peak patterns indicate that all sugars, including the ejected cytosines, maintain the C2′-endo puckering.
