4-Amino-1-(2-deoxy-β-D-ribofuranosyl)-6,7-dihydro-1H,5H-cyclopentapyrimidine-2-one

The crystal structure of C₁₂H₁₇N₃O₄ has been determined. This modified base is in a syn conformation with respect to the deoxyribose sugar, which adopts a distorted C3′/O4′-endo pucker.

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