| Synonyms: | Cephalosporin Impurity 3 HCl;2-amino-6-(((5aR,6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)amino)-6-oxohexanoic acid;Cefmenoxime Impurity 38;Cefazolin Impurity 3;Cephalosporin Impurity;D-Lysine, 6-oxo-N6-[(5aR,6R)-1,4,5a,6-tetrahydro-1,7-dioxo-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl]-;rac-2-amino-6-(((5aR,6R)-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)amino)-6-oxohexanoic acid |