(6R,7R)-((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)pent-2-enamido)-8-oxo-2-(((pivaloyloxy)methoxy)carbonyl)-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl 7-((Z)-2-(2-aminothiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
