posizolid posizolid 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. posizolidclinical dataother namesazd2563atc codenoneidentifiers iupac name (5r)-3--3,6-dihydro-2h-pyridin-4-yl]-3,5-difluorophenyl]-5-(1,2-oxazol-3-yloxymethyl)-1,3-oxazolidin-2-one cas number252260-02-9 ypubchem cid213049chemspider184741 nunii82v2m8k24rcomptox dashboard (epa)dtxsid00948079 chemical and physical dataformulac21h21f2n3o7molar mass465.410 g·mol−13d model (jsmol)interactive image smiles o=c1n(cc3=cc(f)=c(c4=ccn(c((o)co)=o)cc4)c(f)=c3)c(oc2=noc=c2)o1 inchi inchi=1s/c21h21f2n3o7/c22-15-7-13(26-9-14(33-21(26)30)11-31-18-3-6-32-24-18)8-16(23)19(15)12-1-4-25(5-2-12)20(29)17(28)10-27/h1,3,6-8,14,17,27-28h,2,4-5,9-11h2/t14-,17+/m1/s1 nkey:hbujyeupiijjos-pbhicjaksa-n n ny (what is this?) (verify)