p. 3899 - 3901
(2007/10/03)p. 6931 - 6934
(2007/10/02)p. 5833 - 5847
(2007/10/02)p. 3389 - 3392
(2007/10/02)tributylethynyltin
(6R,7R)-3-Chloromethyl-8-oxo-7-phenylacetylamino-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester
(6R,7R)-4-methoxybenzyl-3-(iodomethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-4-methoxybenzyl 3-(acetoxymethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
4-methoxybenzyl 7β-phenylacetamido-3-methylenecepham-4-carboxylate