英文别名
6β-[(R)-2-(4-ethyl-2,3-dioxo-piperazine-1-carbonylamino)-2-phenyl-acetylamino]-penicillanic acid;6-{2-[(4-Ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetamido}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid;6-[[2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid