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Table 1 MIC values of sulfonamides derivatives I, II, and III against total 50 S. aureus clinical isolates (data given as percentage).

From: Antimicrobial activity of some sulfonamide derivatives on clinical isolates of Staphylococus aureus

Compound I

Compound II

Compound III

MICs (μg)

Number of susceptible Isolates (%)

Number of susceptible Isolates (%)

Number of susceptible Isolates (%)

32

3 (6)

0 (0)

0 (0)

64

14(28)

6 (12)

0 (0)

128

19 (38)

39 (78)

18 (36)

256

12 (24)

5 (10)

22 (44)

512

2 (4)

0 (0)

10 (20)

  1. Compund IV showed very low activity therefore it was not taken in consideration.