Sodium;(2s,5r,6r)-6-[[(2s)-2-(4-hydroxyphenyl)-2-[[6-[(e)-2-(4-methoxyphenyl)ethenyl]-2-oxo-1h-pyridine-3-carbonyl]amino]acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate