3-(((3S,5S)-5-(((5-((DIMETHYLAMINO)CARBONYL)-3-PYRIDINYL)AMINO)CARBONYL)-3-PYRROLIDINYL)THIO)-6-((1R)-1-HYDROXYETHYL)-4-METHYL-7-OXO-1-AZABICYCLO(3.2.0)HEPT-2-ENE-2-CARBOXYLIC ACID, (4R,5S,6S)-
3-(((3s,5s)-5-(((5-((dimethylamino)carbonyl)-3-pyridinyl)amino)carbonyl)-3-pyrrolidinyl)thio)-6-((1r)-1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, (4r,5s,6s)-