5-Oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-7-[(phenylacetyl)amino]-, diphenylmethyl ester, cis-
CAS No. 90192-71-5