(6R,6’R,7R,7’R)-bis(1-((isopropoxycarbonyl)oxy)ethyl) 7,7′-(((2Z,2’Z)-2,2′-(2,2′-(carbonylbis(azanediyl))bis(thiazole-4,2-diyl))bis(2-(methoxyimino)acetyl))bis(azanediyl))bis(3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate)