penicillanic
penicillinic
azidocillin
penicillinase-resistant antibiotic
nonpenicillin
vicillin
clometocillin
propicillin
procaine penicillin
SK-Ampicillin
ampicillin
Polycillin
Principen
quinacillin
Ledercillin VK
penicillin V potassium
carindacillin
oxacillin
penicillin
penicilliform
penicillin F
penicillin O
piperacillin
allylmercaptomethylpenicillin
Pipracil
benzylpenicillin
penicillin G
cefalosporin
penicillin-resistant bacteria
adicillin
penicillinize
-cillin
fibracillin
mecillinam
sulbenicillin
phenyracillin
penicillin V
sarmoxicillin
apalcillin
phenoxymethyl penicillin
fenbenicillin
fuzlocillin
amantocillin
furbucillin
mezlocillin
pirbenicillin
isopenicillin
chrysogenin
cefotaximase
Sir Alexander Fleming