(pivaloyloxy)methyl [6R-[6alpha,7beta(R*)]]-7-(aminophenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | (6R,7R)-7-[(2-amino-2-phenyl-acetyl)amino]-8-keto-3-methyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid pivaloyloxymethyl ester |
2,2-dimethylpropanoyloxymethyl (6R,7R)-7-[(2-amino-2-phenylacetyl)amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | 2,2-dimethylpropanoyloxymethyl (6R,7R)-7-[(2-azanyl-2-phenyl-ethanoyl)amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate |
(6R)-7α-[[(R)-Aminophenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (2,2-dimethyl-1-oxopropoxy)methyl ester | (6R,7R)-7α-[[(R)-Aminophenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (2,2-dimethyl-1-oxopropoxy)methyl ester |
