p. 7050 - 7056
(2011/10/05)p. 8705 - 8709
(2011/12/01)p. 443 - 446
(2007/10/03)p. 611 - 616
(2007/10/02)(4R,5S,6S)-3-[2-((S)-3,3-Dimethyl-1-oxo-tetrahydro-pyrrolo[1,2-c]imidazol-2-yl)-ethylsulfanyl]-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
(2S)-N-propan-2-ylpyrrolidine-2-carboxamide
L-prolinamide
(5S)-2,2-dimethyl-3-(2-p-toluenesulfonyloxyethyl)-1,3-diazabicyclo[3.3.0]octan-4-one