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编 号:F270243
分子式:C19H24FN5O7S
分子量:485.49
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10mM*1mL in DMSO
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5mg
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10mg
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50mg
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100mg
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生物活性:
Gemifloxacin mesylate (SB-265805S; LB-20304a) is an orally active broad-spectrum quinolone antibacterial antibiotic. Gemifloxacin mesylate inhibits DNA synthesis by inhibiting DNA gyrase and Topoisomerase IV activities. Gemifloxacin mesylate has potent antibacterial activities against gram-positive bacteria in vitro efficacy study, particularly Streptococci and Staphylococci. Gemifloxacin mesylate has been used in the research of respiratory tract infections.

体内研究:
Gemifloxacin has favorable pharmacokinetic profile in animals after oral administration.Pharmacokinetic Parameters of Gemifloxacin in Sprague-Dawley rats and dogs.SpeciesAdministrationAUC0-24 (μg/mL·h) Half-life (h) Cmax (μg/mL) Tmax (h) F (%)
Ratp.o.; 20 mg/kg8.502.332.440.3395.3
Dogp.o.; 4 mg/kg7.555.121.341.1371

体外研究:
Gemifloxacin has higher antibacterial activity than Moxifloxacin (HY-66011A) against Streptococcus pneumoniae with a MIC90 of 0.06 μg/mL.Gemifloxacin has highly potent antibacterial activity against Penicillin-resistant strains of S. pneumoniae with a MIC90 of 0.03 μg/mL.
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