7-((2-(3,5-DICHLORO-4-OXOPYRIDIN-1-YL)ACETYL)AMINO)-3-METHYL-8-OXO-5-THIA-1-AZABICYCLO(4.2.0)OCT-2-ENE-2-CARBOXYLIC ACID, (6R,7R)-
7-((2-(3,5-dichloro-4-oxopyridin-1-yl)acetyl)amino)-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, (6r,7r)-