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. 2018 Jul 4;33(1):1108–1124. doi: 10.1080/14756366.2018.1480615

Table 3.

HNE inhibitory activity of benzoisoxazolone derivatives 10a–c.

graphic file with name IENZ_A_1480615_ILG0004.gif
Comp. R1 IC50 (µM)a
10a C2H5 25.1 ± 3.6
10b C4H9 NA
10c m-CH3-Ph 0.638 ± 0.121
Sivelestat   0.044 ± 0.011
a

IC50 values are presented as the mean ± SD of three independent experiments.

NA: no inhibitory activity was found at the highest concentration of compound tested (50 µM).