Synonyms: 5-Oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid,7-[[[(difluoromethyl)thio]acetyl]amino]-3-[[[1-(2-hydroxyethyl)-1H-tetrazol-5-yl]thio]methyl]-7-methoxy-8-oxo-,monosodium salt, (6R,7R)- (9CI); 5-Oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid,7-[[[(difluoromethyl)thio]acetyl]amino]-3-[[[1-(2-hydroxyethyl)-1H-tetrazol-5-yl]thio]methyl]-7-methoxy-8-oxo-,monosodium salt, (6R-cis)-; 6315 S Shionogi; 6315S; Flomoxef sodium; Flomoxefsodium salt; Flumarin