1177-30-6 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-((phenoxyphenylacetyl)amino)-, monopotassium salt 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-(2-phenoxy-2-phenylacetamido)-, monopotassium salt 6-(alpha-Phenoxyphenylacetamido)penicillanic acid potassium salt D.C.(B).L. 306 Fenbenicillin potassium salt Penspek Phenbenicillin Phenoxybenzylpenicillin Potassium (6-alpha-phenoxy-alpha-phenylacetamido)penicillanate alpha-Phenoxybenzylpenicillin potassium