7-((2-((2-AMINO-2-CARBOXYETHYL)THIO)ACETYL)AMINO)-7-METHOXY-3-(((1-METHYL-1H-TETRAZOL-5-YL)THIO)METHYL)-8-OXO-5-THIA-1-AZABICYCLO(4.2.0)OCT-2-ENE-2-CARBOXYLIC ACID, (6R,7S)-
7-((2-((2-amino-2-carboxyethyl)thio)acetyl)amino)-7-methoxy-3-(((1-methyl-1h-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, (6r,7s)-