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. 2013 Jun 3;8(6):e65806. doi: 10.1371/journal.pone.0065806

Table 3. Physicochemical properties of fluoroquinolones.

Fluoroquinolone Mol. Weight ClogP PSA % Decrease
Ciprofloxacin 331.35 −0.725 77.04 69%
Moxifloxacin 437.9 −0.082 86.27 49%
Ofloxacin 361.4 −0.508 77.48 58%
Gatifloxacin 375.4 −0.266 86.27 31%

Molecular weights, Partition Coefficients (ClogP), Polar Surface Areas (PSA) and relative spermidine-induced reductions in intracellular accumulation of four fluoroquinolones (as illustrated in Figure 3A).