against s. pyogenes and s. pneumoniae brl 25000 showed mic values in the range less than 0.024-0.10 micrograms/ml with inocula of 10 ( 6 ) cfu/ml , which is much more active than ccl , cex , cdx and cxd and slight less active than ampc .
C0007537
ccl
C0007716
cex