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(1994)(6R,7R)-3-methyl-7-[(R)-2-amino-2-phenylacetamido]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid
(6R,7R)-7-[(2R)-2-{[(tert-butoxy)carbonyl]amino}-2-phenylacetamido]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
3-hydroxy-4-methyl-2(5H)-thiophenone
Cefradine
cefalexin