英文名称: | 4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-((3-carboxy-3-(4-ethoxyp | (2S-(2-alpha,5-alpha,6-beta))-henyl)- 1-oxopropyl)amino)-3-dimethyl-7-oxo- | 6-((3-carboxy-3-(4-ethoxyphenyl)-1-oxopropyl)amino)-3,3-dimethyl-7-oxo-, (2S-(2-alpha,5-alpha,6-beta4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic aci |
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