(6R,7R)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid