Synonyms: | 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 3-[(methylsulfonyl)oxy]-8-oxo-7-[(phenylacetyl)amino]-, diphenylmethylester, (6R,7R)- (9CI); 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,3-[(methylsulfonyl)oxy]-8-oxo-7-[(phenylacetyl)amino]-, diphenylmethyl ester,(6R-trans)- |