95587 ⎘
Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring Compounds further condensed with a carbocyclic ring or ring system
2,7-disubstituted cephalosporin derivatives as β-lactamase substrates and methods for their use for the diagnosis of tuberculosis
#22,7-disubstituted cephalosporin derivatives as beta-lactamase substrates and methods for their use for the diagnosis of tuberculosis