57.6
[]. J L Kelley, et al. Purine acyclic nucleosides. Nitrogen isosteres of 9-[(-hydroxyethoxy)methyl]guanine as candidate antivirals. J Med Chem. 98 Dec;4():58-.
H0-H5-H9-H5
P6-P64-P70-P7-P80-P0+P5-P04+P40-P05+P5+P8-P0-P6+P64-P40+P-P405-P50
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