Synonyms: 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-((aminophenylacetyl)amino)-3,3-dimethyl-7-oxo-, (((3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)hept-2-yl)carboxyl)oxy)methyl ester, S,S-dioxide, p-toluenesulfonate, (2S-(2-alpha(2R*,5S*),5-alpha,6-beta(S*)))-;CP 49952 p-Toluenesulfonate;[(2S,5R)-3,3-dimethyl-4,4,7-trioxo-4$l^{6}-thia-1-azabicyclo[3.2.0]heptane-2-carbonyl]oxymethyl (2S,5R,6R)-6-[[(2R)-2-amino-2-phenyl-acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate; 4-methylbenzenesulfonic acid;Sbtpc;VD 1827 p-Toluenesulfonate;Sultamicillin tosylate compacted;