(2S,5R,6R)-6-{[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
(2S,5R,6R)-6-((R)-(-)-2-Amino-2-(P-Hydroxyphenyl)Acetamido)-3,3-Dimethyl-7-Oxo-4-Thia-1-Azabicyclo(3.2.0)Heptane-2-Carboxylic Acid