Cefotaxime Dioxime; (6R,7R)-3-[(acetyloxy)methyl]-7-[[(2Z)-2-[2-[[(2Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetyl]-amino]thiazol-4-yl]-2-(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo [4.2.0]oct-2-ene-2-carboxylic acid (ATA cefotaxime).,Cefotaxime Sodium Impurity