Amino Acid Derivatives

(2R)-3,3-dicyclopropyl-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid

(2S)-3,3-dicyclopropyl-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid

methyl (2R)-3-(1-bicyclo[1.1.1]pentanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoate

(2R,4S)-1-tert-butoxycarbonyl-4-[4-(trifluoromethoxy)phenoxy]pyrrolidine-2-carboxylic acid

(2S,4R)-1-tert-butoxycarbonyl-4-[4-(trifluoromethoxy)phenoxy]pyrrolidine-2-carboxylic acid

(2S,4S)-1-tert-butoxycarbonyl-4-[4-(trifluoromethoxy)phenoxy]pyrrolidine-2-carboxylic acid

(2R,4R)-1-tert-butoxycarbonyl-4-[4-(trifluoromethoxy)phenoxy]pyrrolidine-2-carboxylic acid

tert-butyl N-[1-(N-benzyloxycarbonylcarbamimidoyl)-2-oxo-3-piperidyl]carbamate

tert-butyl N-[(3S)-1-(benzyloxycarbonylaminomethyleneamino)-2-oxo-3-piperidyl]carbamate

3-benzyloxycarbonyl-8-tert-butoxycarbonyl-3,8-diazabicyclo[3.2.1]octane-2-carboxylic acid

(1R)-2-benzyloxycarbonyl-5-tert-butoxycarbonyl-2,5-diazabicyclo[2.2.2]octane-3-carboxylic acid

(4-methoxyphenyl)methyl (2S)-2-(tert-butoxycarbonylamino)-3,3-dicyclopropyl-propanoate

(4-methoxyphenyl)methyl 2-(tert-butoxycarbonylamino)-3,3-dicyclopropyl-propanoate

(4-methoxyphenyl)methyl (2R)-2-(tert-butoxycarbonylamino)-3,3-dicyclopropyl-propanoate

(Z)-2-[(3-ethoxycarbonyl-4,5,6,7-tetrahydrobenzothiophen-2-yl)amino]-4-(2-furyl)-4-oxo-but-2-enoic acid

tert-butyl (2S,4R)-2-[(6-bromo-2-pyridyl)carbamoyl]-4-fluoro-pyrrolidine-1-carboxylate