CAS No:117467-28-4 ||Chemical Formula:C25H28N6O7S3||Molecular Weight:620.71400||Exact Mass:620.11816||(pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate