Synonyms: Pyridinium,4-(aminocarbonyl)-1-[[(6R,7R)-2-carboxy-8-oxo-7-[[(2R)-phenylsulfoacetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-,inner salt (9CI); Pyridinium,4-(aminocarbonyl)-1-[[2-carboxy-8-oxo-7-[(phenylsulfoacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-,inner salt, [6R-[6a,7b(R*)]]-; Cefsulodin