AZIDOCILLN

(2S,5β)-6α-[[(R)-Azido(phenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2β-carboxylic acid sodium salt

sodium [2S-[2alpha,5alpha,6beta(S*)]]-6-(azidophenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate