(2S-(2alpha,5alpha,6beta))-6-((1,1'-Biphenyl)-2-ylformamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid 2-Biphenylpenicillin 304-43-8 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(((1,1'-biphenyl)-2-ylcarbonyl)amino)-3,3-dimethyl-7-oxo-, (2S-(2-alpha,5-alpha,6-beta))- Ancillin BRN 0965361 Biphenicillin Diphenicillin EINECS 206-154-7 SKF 12141