3-Hydroxy-5,5-dimethylpyrrolidin-2-one

tert-butyl 3-cyano-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5,6,7,8-tetrahydro-1,6-naphthyridine-6-carboxylate

Tert-butyl 2-{[(tert-butoxy)carbonyl]amino}-3-cyano-5,6,7,8-tetrahydro-1,6-naphthyridine-6-carboxylate

(3,5-dinitrophenyl)methyl (2S)-2-amino-3-(1H-imidazol-4-yl)propanoate

(2S,3S)-2-benzyl-3-{[(benzyloxy)carbonyl]amino}butanedioic acid

(2S,3S)-2-benzyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanedioic acid

(4R)-3-[(tert-butoxy)carbonyl]-2-methyl-1,3-thiazolidine-2,4-dicarboxylic acid

Methyl 2-amino-4-cyclopropylpentanoate

Methyl 4-(3-hydroxyazetidin-3-yl)oxane-4-carboxylate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(2,2-difluorocyclopropyl)propanoate

[1-(2,2-difluoroethyl)-3-methyl-1H-pyrazol-4-yl]methanamine