Posizolid is an oxazolidinone antibiotic under investigation by AstraZeneca for the treatment of bacterial infections. At a concentration of 2 mg/L it inhibited 98% of all Gram-positive bacteria tested in vitro. References Oxazolidinone antibiotics Isoxazoles Ethers Fluoroarenes Tetrahydropyridines Carboxamides Vicinal diols