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Schematic view of duplex structures with oligonucleotide strands in the α/β‐d, α/α‐d and β/β‐d configurations and with α/β‐d base pairs. Anomeric 5‐substituted 2′‐deoxyuridines and 7‐substituted 7‐deaza‐2′‐deoxyadenosines with clickable side chains and click adducts used in this study.
