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. Author manuscript; available in PMC: 2012 Nov 29.
Published in final edited form as: Biochemistry. 2011 Nov 1;50(47):10343–10349. doi: 10.1021/bi2011465

Figure 1.

Figure 1

Structures and nomenclature of nonpolar nucleoside analogues of thymidine. The van der Waals spheres of the heteroatoms are shown in grey to illustrate the size variations among the series. The interatomic bond lengths (Å) vary as follows: 1.08 (Ar-H), 1.36 (Ar-F), 1.74 (Ar-Cl), 1.90 (Ar-Br), and 2.10 (Ar-I) (18).