(6R,7R)-7-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 50mg

(6R,7R)-7-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 50mg