mezlocillin , a new semisynthetic penicillin chemically related to ampicillin which is more active than carbenicillin against ps . aeruginosa , b. fragilis and strep . faecalis and which inhibits many klebsiella , was evaluated in the therapy of 34 episodes of infection in 26 patients .
C0030842
penicillin
C0006976
carbenicillin