Synonyms: 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid,7-[[[(cyanomethyl)thio]acetyl]amino]-7-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-,monosodium salt, (6R,7S)- (9CI);5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid,7-[[[(cyanomethyl)thio]acetyl]amino]-7-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-,monosodium salt, (6R-cis)-;CS-1170 sodium salt;Cefmetazole sodium;Cefmetazole-Na;Cefmetazon;Cefmetazone;Metafar;Sodium cefmetazole;Zefazone;