5-[3(R)-Bromo-4(S)-[(methoxycarbonyl)amino]tetrahydrothiophen-2(R)-yl]pentanoic acid methyl ester

cis-4-(R)-<6-(Methoxycarbonyl)hex-1-enyl>-2(R)-phenylthiazolidine-3-carboxylic acid

(3aR,6aS,E)-1-benzyl-6-(4-chlorobutylidene)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one

5-[(3aR,6aS)-1-Benzyl-2-oxo-hexahydro-thieno[3,4-d]imidazol-(6E)-ylidene]-pentanenitrile