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. 2014 Dec;58(12):7264–7272. doi: 10.1128/AAC.03475-14

TABLE 7.

IC50s for E. coli DNA gyrase supercoiling

Compound Supercoiling IC50 (μM)
Norfloxacin 0.64
Ofloxacin 1.14
Ciprofloxacin 0.25
Compound A 35.5
Compound B 41.4
Compound C 30.1
Compound D 8.57