the antibacterial activity of cefotetan , a new cephamycin , was compared with that of cephalothin , cefoxitin , cefamandole , cefoperazone and cefotaxime on 12 substrains of escherichia coli k12 bm13 harbouring single and multi-copy plasmids coding for plasmid-mediated beta-lactamases tem , shvi , oxa-i and oxa-iii .
C0279516
antibacterial
C0007557
cefoxitin