<chemical> Semisynthetic broad-spectrum cephalosporin with a tetrazolyl moiety that is resistant to beta-lactamase. It has been proposed especially against pseudomonas infections. ... Pharmacological action: cephalosporins. ... Chemical name: 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((((4-ethyl-2,3-dioxo-1-piperazinyl)carbony... Found on http://www.encyclo.co.uk/local/20973
(sef″o-per´ә-zōn) a third-generation cephalosporin with a wide range of antimicrobial activity, especially effective against Pseudomonas aeruginosa. Found on http://www.encyclo.co.uk/local/21001