(2S,5R,6R)-6-(((2R)-2-AMINO-2-((2R,4S)-4-CARBOXY-5,5-DIMETHYL-2-THIAZOLIDINYL)ACETYL)AMINO)-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO(3.2.0)HEPTANE-2-CARBOXYLIC ACID
(2s,5r,6r)-6-(((2r)-2-amino-2-((2r,4s)-4-carboxy-5,5-dimethyl-2-thiazolidinyl)acetyl)amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid