5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((2-amino-4-thiazolyl)(methoxyimino)acetyl)amino)-3-(2-(4-methyl-5-thiazolyl)ethenyl)-8-oxo-, (2,2-dimethyl-1-oxopropoxy)methyl ester, (6R-(3(Z),6alpha,7beta(Z)))-