Synonyms: 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 6-(2-azido-2-phenylacetamido)-3,3-dimethyl-7-oxo-, D-(-)- (8CI);4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid,6-[(azidophenylacetyl)amino]-3,3-dimethyl-7-oxo-, [2S-[2a,5a,6b(S*)]]-; Azidocillin; BRL 2351; BRL 2534; D-(-)-a-Azidobenzylpenicillin; DAN10510; SPC 297D; SPC 97D