Synonyms: 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid,7-[[[4-(2-amino-1-carboxy-2-oxoethylidene)-1,3-dithietan-2-yl]carbonyl]amino]-7-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-,disodium salt, (6R,7S)- (9CI); 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid,7-[[[4-(2-amino-1-carboxy-2-oxoethylidene)-1,3-dithietan-2-yl]carbonyl]amino]-7-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-,disodium salt, [6R-(6a,7a)]-; 1,3-Dithietane,5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid deriv.; Apatef; Cefotan;Cefotetan disodium; Cefotetan sodium; Ceftenon; Cepan Darvilen; YM 09330;Yamatetan