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. Author manuscript; available in PMC: 2016 Jul 21.
Published in final edited form as: Nucleosides Nucleotides Nucleic Acids. 2001 Apr-Jul;20(4-7):333–341. doi: 10.1081/NCN-100002305

Figure 3.

Figure 3

Structures of N6-substituted N-methanocarba adenosine derivatives optimized for interaction with A1 (N6-cyclopentyl) or A3 (N6-(3-iodobenzyl)) receptors (4). Ki values (nM) in radioligand binding assays at four subtypes of adenosine receptors are shown.