Keywords: Cefozopran.svg validSVG Skeletal formula of cefozopran Created using http //www acdlabs com/download/chemsk html ACD/ChemSketch 10 0 http //www inkscape org Inkscape and http //www vim org vim Own Fvasconcellos 2008-06-11 Cephalosporin antibiotics Carboxylates Zwitterions 1 2 4-thiadiazoles Oximes |