Flomoxef is an

oxacephem An oxacephem is a β-lactam molecule similar to a cephem, but with an oxygen substituted for the sulfur. They are synthetic compounds not seen in nature, generally used as β-lactam antibiotic β-lactam antibiotics (beta-lactam antibiotics) a ...

antibiotic that was developed by

Shionogi is a Japanese pharmaceutical company best known for developing Crestor. Medical supply and brand name also uses katakana (シオノギ). Shionogi has business roots that date back to 1878, and was incorporated in 1919. Among the medicines prod ...

. It has been classified either as a second-generation or fourth-generation cephalosporin. It was patented in 1982 and approved for medical use in 1988 under the trade name Flumarin.

References

Cephalosporin antibiotics Tetrazoles Primary alcohols Sulfides Carboxylic acids Lactams Ethers Carboxamides Organofluorides {{antibiotic-stub