The Quantitative Structure-Activity Relationship (QSAR) methodology was used to predict
biological properties, i.e., the blood–brain distribution (log BB), fraction unbounded in the brain
(f u,brain), water-skin permeation (log Kp), binding to human plasma proteins (log Ka,HSA), and intestinal
permeability (Caco-2), for three classes of fused azaisocytosine-containing congeners that
were considered and tested as promising drug candidates..............
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