a large inoculum ( 3 x 10 ( 7 ) ) of strains with high mics in tsb almost completely inactivated 50 mug of cefazolin per ml in 6 h , with progressively less inactivation , in the following order , of cephaloridine , cephalexin , cephradine , cephapirin , and cefamandole ;
C0007716
cephalexin
C0007738
cephradine