| Poly[[(6R,7R)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-7,2-diyl]carbonyloxycarbonyl[(6R,7R)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2,7-diyl]imino[(2R)-1-oxo-2-phenyl-1,2-ethanediyl]imino(1,10-dioxo-1,10-decanediyl)imino[(1R)-2-oxo-1- |
|
