CAS No:N/A||Chemical Formula:C19H18N6O6S2||Molecular Weight:490.50900||Exact Mass:490.07292||(6R,7R)-7-((R)-2-(formyloxy)-2-phenylacetamido)-3-((4-methyl-5-thioxo-4,5-dihydro-1H-tetrazol-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid