since the discovery of carbenicillin in 1970 , several groups of beta-lactam agents with remarkable activity against p. aeruginosa are actually available among penicillins such as ticarcillin , azlocillin , piperacillin , apalcillin and among cephalosporins : cefoperazone , cefsulodin as well as new structures including monobactams ( aztreonam ) and carbapenems with imipenem .
C3536856
cephalosporins
C0007552
cefoperazone