CAS No:145904-68-3||Chemical Formula:C19H18N6O5S3||Molecular Weight:506.57000||Exact Mass:506.05008||(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-3-ene-2-carboxylic acid