英文别名
                        (6R)-3-methyl-5ξ,8-dioxo-7t-(2-phenyl-acetylamino)-(6rH)-5λ4-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 2,2,2-trichloro-ethyl ester;2,2,2-trichloroethyl 3-methyl-5,8-dioxo-7-[(2-phenylacetyl)amino]-5λ4-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate