Pheneticillin (or phenethicillin) is a

penicillin Penicillins (P, PCN or PEN) are a group of β-lactam antibiotics originally obtained from ''Penicillium'' moulds, principally '' P. chrysogenum'' and '' P. rubens''. Most penicillins in clinical use are synthesised by P. chrysogenum using ...

. It is not approved by the FDA for use in the United States.

References

* * Penicillins {{antibiotic-stub