(5S,6R)-6-((S)-1-hydroxyethyl)-7-oxo-3-((S)-tetrahydrofuran-2-yl)-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 6-(1-hydroxyethyl)-7-oxo-3-(tetrahydro-2-furanyl)-, [5S-[3(R*),5α,6α(R*)]]-