SODIUM (5R,6S)-6-((1R)-1-HYDROXYETHYL)-7-OXO-3-((2S)-OXOLAN-2-YL)-4-THIA-1-AZABICYCLO(3.2.0)HEPT-2-ENE-2-CARBOXYLATE
sodium (5r,6s)-6-((1r)-1-hydroxyethyl)-7-oxo-3-((2s)-oxolan-2-yl)-4-thia-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylate