Synonyms: 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 6-[(carboxy-3-thienylacetyl)amino]-6-methoxy-3,3-dimethyl-7-oxo-,(2S,5R,6S)- (9CI); 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid,6-[(carboxy-3-thienylacetyl)amino]-6-methoxy-3,3-dimethyl-7-oxo-, [2S-(2a,5a,6a)]-; AB 17421; Temocillin