Figure 2.

A) 2D STD‐¹H‐¹³C HSQC NMR experiments of 3′SLN* and 6′SLN* with RBD. Note the absence of signals in the STD spectra. B) ¹H‐¹⁵N HSQC of ¹⁵N‐RBD in absence (black) and presence (orange) of 50 equivalents of 3′SLN. No chemical shift perturbations were observed.