(5R,6S)-3-[(2-Aminoethyl)thio]-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid;[5R-[5?,6?(R*)]]-3-[(2-Aminoethyl)thio]-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid; (+)-Thienamycin;Thienamycin
