p. 705 - 708
(2007/10/03)(+/-)-4-(N-benzyloxycarbonyl-amino)-6,6-difluoro-3-oxo-2-triphenylphosphoranylidene-hexanenitrile
cyanomethylene triphenylphosphorane
N-Benzyloxycarbonyl-L-isoleucyl-L-leucin
(R,S)-4-amino-6,6-difluoro-3-oxo-2-triphenylphosphoranylidene-hexanenitrile
(2S,3S)-2-Amino-3-methyl-pentanoic acid {(S)-1-[3-cyano-1-(2,2-difluoro-ethyl)-2-oxo-3-(triphenyl-λ5-phosphanylidene)-propylcarbamoyl]-3-methyl-butyl}-amide
4-{(1S,2S)-1-[(S)-1-((S)-3,3-Difluoro-1-oxalyl-propylcarbamoyl)-3-methyl-butylcarbamoyl]-2-methyl-butylcarbamoyloxymethyl}-benzoic acid methyl ester
4-((1S,2S)-1-{(S)-1-[3-Cyano-1-(2,2-difluoro-ethyl)-2-oxo-3-(triphenyl-λ5-phosphanylidene)-propylcarbamoyl]-3-methyl-butylcarbamoyl}-2-methyl-butylcarbamoyloxymethyl)-benzoic acid methyl ester