CAS No:80370-57-6||Chemical Formula:C19H17N5O7S3||Molecular Weight:523.55300||Exact Mass:523.02901||(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(((furan-2-carbonyl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid