1-Azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, 3-(((3S,5S)-5-(((3-carboxyphenyl)amino)carbonyl)-3-pyrrolidinyl)thio)-6-((1R)-1-hydroxyethyl)-4-methyl-7-oxo-, monosodium salt, (4R,5S,6S)- 1-Azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, 3-((5-(((3-carboxyphenyl)amino)carbonyl)-3-pyrrolidinyl)thio)-6-((1R)-1-hydroxyethyl)-4-methyl-7-oxo-, monosodium salt, (4R-(3(3S*,5S*),4alpha,5beta,6beta(R*)))- 153773-82-1 Ertapenem sodium Invanz L 749345 MK 826