the in vitro susceptibility to thiamphenicol and chloramphenicol of 272 anaerobes , most of which were recent clinical isolated , was determined by broth dilution tests , with chloramphenicol , 133 anaerobic gram-negative non-sporing rods ( 48 bacteroides fragilis , 13 b. thetaiotaomicron , 14 b. oralis , 16 sphaerophorus varius etc . ) had mic values of 0.03 through 16 microng/ml .
C0039854
thiamphenicol
C0008168
chloramphenicol