Synonyms: 1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylicacid,3-[[(3S,5S)-5-[(dimethylamino)carbonyl]-3-pyrrolidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-,(4R,5S,6S)-;1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylicacid,3-[[5-[(dimethylamino)carbonyl]-3-pyrrolidinyl]thio]-6-(1-hydroxyethyl)-4-methyl-7-oxo-,[4R-[3(3S*,5S*),4a,5b,6b(R*)]]-;Antibiotic SM 7338;ICI 194660;Mepem;Meronem;Meropen;Merrem;Merrem IV;SM 7338;