(2008/06/13)
p. 185 - 190
(2007/10/03)p. 7445 - 7448
(2007/10/02)(6R,7R)-benzhydryl 8-oxo-7-(2-phenylacetamido)-3-(((trifluoromethyl)sulfonyl)oxy)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-benzhydryl 3-chloro-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(R)-2-((1R,5R)-3-Benzyl-7-oxo-4-thia-2,6-diaza-bicyclo[3.2.0]hept-2-en-6-yl)-3-methyl-but-3-enoic acid benzhydryl ester
(E)-2-((1R,5R)-3-Benzyl-7-oxo-4-thia-2,6-diaza-bicyclo[3.2.0]hept-2-en-6-yl)-3-hydroxy-but-2-enoic acid benzhydryl ester
(E)-2-((1R,5R)-3-Benzyl-7-oxo-4-thia-2,6-diaza-bicyclo[3.2.0]hept-2-en-6-yl)-3-trifluoromethanesulfonyloxy-but-2-enoic acid benzhydryl ester
(2S,5R,6R)-3-Methylene-4,7-dioxo-6-phenylacetylamino-4λ4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid 4-methoxy-benzyl ester
2-oxo-bisnorpenicillin G-3-benzhydryl carboxylate
(2S,5R,6R)-3-Methylene-4,4,7-trioxo-6-phenylacetylamino-4λ6-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid 4-methoxy-benzyl ester
(2S,3R,5R,6R)-3-Methyl-7-oxo-6-phenylacetylamino-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester
(2S,3R,5R,6R)-3-Allylsulfanylmethyl-7-oxo-6-phenylacetylamino-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid 4-methoxy-benzyl ester