12687-38-6 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)- (2S-(2alpha,5alpha,6beta))-, compd. with N,N'-bis(phenylmethyl)-1,2-ethanediamine (2:1), mixt. with 2-(diethylamino)ethyl 4-aminobenzoate mono((2S-(2alpha,5alpha,6beta))-3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylate) and (2S-(2alpha,5alpha,6beta))-3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid monopotassium salt 8067-92-3 8072-44-4 Bacillin 3 Bicillin III Bicillin-3 Retacillin Retazillin