penicillin O(redirected from allylmercaptomethylpenicillin)
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|Noun||1.||penicillin O - a penicillin that is similar in antibiotic action to penicillin G but is obtained differently|
penicillin - any of various antibiotics obtained from Penicillium molds (or produced synthetically) and used in the treatment of various infections and diseases
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