CAS No:64485-93-4||Chemical Formula:C16H16N5NaO7S2||Molecular Weight:477.44177||Exact Mass:477.03888||Sodium (6R,7R)-3-[(acetyloxy)methyl]-7-[[(2Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate