Molecular Modeling Studies of Some Uracil and New Deoxyuridine Derivatives

Figure 5

Transparent ESP map of uredines (I, II, and III) and amino acid ester of 5-FU (IV). Isovalue = 0.0004; ESP value ranges between −140 kJmol⁻¹ (red) and +140 kJmol⁻¹ (blue).