2-巯基苯并噻唑 、 benzhydryl (2S,3R,5R)-3-(acetyloxymethyl)-3-methyl-4,7-dioxo-6-[(2-phenoxyacetyl)amino]-4λ4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 生成
3-acetoxymethyl-2-[2-benzothiazol-2-yldisulfanyl-4-oxo-3-(2-phenoxy-acetylamino)-azetidin-1-yl]-but-3-enoic acid benzhydryl ester