Obafluorin is a β-lactone antibiotic that has been found in P. fluorescens.1 It is active against S. aureus, S. faecalis, K. pneumoniae, and P. vulgaris (MIC = 125 μg/ml for all).

92121-68-1

C17H14N2O7

358.3

Acetonitrile:>1 mg/mL
Powder: -20°C for 3 years
In solvent: -80°C for 2 years