CAS No:1847-24-1 ||Chemical Formula:C19H16ClFN3NaO5S ||Molecular Weight:475.85117 ||Exact Mass: 475.03809 ||sodium (2S,5R,6R)-6-(3-(2-chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate