p. 9791 - 9800
(2007/10/03)(6R,12S)-1-aza-3-(pyroglutamylamino)-6-hydroxymethyl-4-phenyl-2-oxobicyclo[4.3.0]non-3-ene
(6R,12S)-1-aza-3-(pyroglutamylamino)-6-[(tert-butyldimethylsiloxy)methyl]-4-phenyl-2-oxobicyclo[4.3.0]non-3-ene
(2R)-N-(benzyloxycarbonyl)-2-[2'-(phenyl)-3'-(carbomethoxy)-propyl]proline methyl ester
(6R)-1-aza-3-amino-6-[(tert-butyldimethylsiloxy)methyl]-4-phenyl-2-oxobicyclo[4.3.0]non-3-ene
(6R)-1-aza-6-[(tert-butyldimethylsiloxy)methyl]-3-hydroxy-4-phenyl-2-oxobicyclo[4.3.0]non-3-ene