4,4'-(2,2'-(((6R,6'R,7R,7'R)-7,7'-(((2Z,2'Z)-2,2'-(5,5'-((hydroxyphosphoryl)bis(azanediyl))bis(1,2,4-thiadiazole-5,3-diyl))bis(2-(ethoxyimino)acetyl))bis(azanediyl))bis(2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-7,3-diyl))bis(sulfanediyl))bis(thiazole-4,2-diyl))bis(1-methylpyridin-1-ium)
