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(2015/01/30)(pivaloyloxy)methyl (2S,5R,6R)-3,3-dimethyl-7-oxo-6-(2-phenoxyacetamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
acetoxymethyl 6-(phenoxyacetamido)-penicillinate
penicillin V dibenzylamine salt
(R)-3-Methyl-2-[(S)-2-oxo-3-(2-phenoxy-acetylamino)-azetidin-1-yl]-but-3-enoic acid
(R)-α-[(S)-2-oxo-3-(2-phenoxy-acetylamino)-azetidin-1-yl]-isovaleric acid