Synonyms: 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid,3-[[(aminocarbonyl)oxy]methyl]-7-methoxy-8-oxo-7-[(2-thienylacetyl)amino]-,monosodium salt, (6R,7S)- (9CI);5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,3-[[(aminocarbonyl)oxy]methyl]-7-methoxy-8-oxo-7-[(2-thienylacetyl)amino]-,monosodium salt, (6R-cis)-;Betacef;Cefaxilin sodium;Cefoxitin sodium salt;Cenomycin;Farmoxin;MK 306;Mefoxin;Mefoxithin;Mefoxitin;Merxin;Monosodium cefoxitin;Serviflox;Sodium cefoxitin;5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid,3-[[(aminocarbonyl)oxy]methyl]-7-methoxy-8-oxo-7-[(2-thienylacetyl)amino]-,sodium salt (1:1), (6R,7S)-;