Unnatural Amino Acid

(R)-2-amino-3-(pyridin-4-yl)propanoic acid dihydrochloride

D-PROPARGYLGLYCINE

L-Propargylglycine

(R)-3-Amino-4,4-diphenyl-butyric acid-HCl

Boc-(R)-3-Amino-4-(2-fluoro-phenyl)-butyric acid

Boc-(S)-3-Amino-4-(2-fluoro-phenyl)-butyric acid

D-2-Methylphenylalanine

Boc-L-3-Methylphenylalanine

Fmoc-L-3,5-Difluorophenylalanine

Fmoc-(S)-3-Amino-5-phenyl-pentanoic acid

Fmoc-D-1,2,3,4-Tetrahydronorharman-carboxylic acid

Fmoc-R-3-Amino-3-(2-nitro-phenyl)-propionic acid

Fmoc-L-4-Cyanophenylalanine

Fmoc-L-4-Bromophenylalanine

Fmoc-R-3-Amino-3-(2-bromo-phenyl)-propionic acid

Boc-D-1,2,3,4-Tetrahydronorharman-3-carboxylic acid

Fmoc-R-3-Amino-3-(4-bromo-phenyl)-propionic acid

Boc-R-3-Amino-3-(2-bromo-phenyl)-propionic acid

L-3-(3-pyridyl)-alanine

L-3-Nitrophenylalanine

Fmoc-(R)-3-Amino-4-(3-thienyl)-butyric acid

Boc-D-4-Fluorophenylalanine

R-3-Amino-3-(3-thienyl)-propionic acid

S-3-Amino-3-(2- trifluoromethyl -phenyl)-propionic acid

Fmoc-D-3-Fluorophenylalanine

Fmoc-(S)-3-Amino-4-(4-trifluoromethyl-phenyl)-butyric acid

Fmoc-S-3-Amino-3-(2-methyl-phenyl)-propionic acid

S-3-Amino-3-(3-nitro-phenyl)-propionic acid

Boc-L-2-Iodophenylalanine

D-3-(3-pyridyl)-alanine

Boc-(R)-3-Amino-4-(2-chloro-phenyl)-butyric acid

Fmoc-D-4-Bromophenylalanine

Fmoc-L-2-Bromophenylalanine

Boc-D-4-Methoxyphenylalanine DCHA salt

Boc-L-4-Iodophenylalanine

Fmoc-(S)-3-Amino-4-(2-cyano-phenyl)-butyric acid

Fmoc-D-2-Nitrophenylalanine

Fmoc-L-CyClobutylalanine

Fmoc-R-3-Amino-3-(3-nitro-phenyl)-propionic acid

S-3-Amino-3-phenylpropionic acid hydrochioride

Fmoc-S-3-Amino-3-(3-nitro-phenyl)-propionic acid

Boc-(R)-3-Amino-4-(2-trifluoromethyl-phenyl)-butyric acid

Fmoc-1-AminocyClopropanecarboxylic acid

S-3-Amino-3-(2-fluoro-phenyl)-propionic acid

Boc-R-3-Amino-3-(4-chloro-phenyl)-propionic acid

CyClopentylalanine

Fmoc-R-3-Amino-3-(4-fluoro-phenyl)-propionic acid

S-3-Amino-3-(4-trifluoromethyl -phenyl)-propionic acid

D-3-Cyanophenylalanine

Fmoc-D-3-Chlorophenylalanine

Boc-D-4-Methylphenylalanine

Fmoc-R-3-Amino-3-(2-trifluoromethyl-phenyl)-propionic acid

Fmoc-(S)-3-Amino-4-(2-naphthyl)-butyric acid

N-(2-Cyanoethyl)glycine

D-3-(4-pyridyl)-alanine

Boc-D-3-Nitrophenylalanine

Boc-L-2-Bromophenylalanine

L-3-Bromophenylalanine

Boc-D-CyClopropylglycine

Boc-S-3-Amino-3-(2-thienyl)-propionic acid

Fmoc-(R)-3-Amino-4,4-diphenyl-butyric acid

Boc-D-4-tert-butyl-phenylalanine

Boc-S-3-Amino-3-phenylpropionic acid

Boc-L-2,3,4,5,6-Penta fluorophenylalanine

Boc-(R)-3-Amino-4-(2-naphthyl)-butyric acid

Fmoc-D-CyClopentylglycine

L-4-Methylphenylalanine

D-3-(2-Thienyl)-alanine

Boc-(R)-3-Amino-4-(3-benzothienyl)-butyric acid

Boc-D-3-Cyanophenylalanine

(R)-3-Amino-4-(4-fluoro-phenyl)-butyric acid-HCl

(S)-3-Amino-4-(3-fluoro-phenyl)-butyric acid-HCl

Fmoc-S-3-Amino-3-(3-hydroxy-phenyl)-propionic acid

Boc-D-3,5-Difluorophenylalanine

Fmoc-D-2-Bromophenylalanine

Boc-D-3-(3-pyridyl)-alanine

Boc-D-4-Chlorophenylalanine

Fmoc-(S)-3-Amino-4-(2-trifluoromethyl-phenyl)-butyric acid

Fmoc-D-4-Methoxyphenylalanine

Fmoc-(R)-3-Amino-4-(2-thienyl)-butyric acid

Boc-L-3-Nitrophenylalanine

Fmoc-(S)-3-Amino-4-(pentafluoro-phenyl)-butyric acid

L-3-(4-Thiazolyl)-alanine

L-CyClopropylalanine

Fmoc-R-3-Amino-3-(3-chloro-phenyl)-propionic acid

Fmoc-R-3-Amino-3-(4-nitro-phenyl)-propionic acid

Fmoc-S-3-Amino-3-(2-fluoro-phenyl)-propionic acid

(R)-3-Amino-4-(3,4-dichloro-phenyl)-butyric acid-HCl

(S)-3-Amino-4-(2-thienyl)-butyric acid-HCl

Boc-D-3,3-Diphenylalanine

Fmoc-(S)-3-Amino-4-(1-naphthyl)-butyric acid

Fmoc-(S)-3-Amino-4-(3,4-dichloro-phenyl)-butyric acid

Fmoc-L-3-(3-Thienyl)-alanine

DL-Cyclopropylglycine

Fmoc-Azetidine-3-Carboxylic acid

Fmoc-L-3-Chlorophenylalanine

D-3-Bromophenylalanine

Fmoc-R-3-Amino-3-(3-thienyl)-propionic acid

Fmoc-R-3-Amino-3-(3-trifluoromethyl-phenyl)-propionic acid

Boc-L-3,5-Difluorophenylalanine

L-3-(2-Furyl)-alanine

3-Amino-3-(3-nitro-phenyl)-propionic acid

Boc-D-CyClobutylalanine DIPA

Boc-R-3-Amino-3-(3-hydroxy-phenyl)-propionic acid

Boc-R-3-Amino-3-(3-thienyl)-propionic acid

Fmoc-S-3-Amino-3-(2-thienyl)-propionic acid

Boc-R-3-Amino-3-(4-bromo-phenyl)-propionic acid

(R)-3-Amino-4-(4-tert-butyl-phenyl)-butyric acid-HCl

Boc-S-3-Amino-3-(2-chloro-phenyl)-propionic acid

(S)-3-Amino-4-(2-fluoro-phenyl)-butyric acid-HCl

Boc-(R)-3-Amino-4-(3-thienyl)-butyric acid

Boc-(R)-3-Amino-5-hexenoic acid

Fmoc-(R)-3-Amino-4-(3-benzothienyl)-butyric acid

Fmoc-(S)-3-Amino-4-(4-nitro-phenyl)-butyric acid

Boc-L-Tic

Fmoc-(R)-3-Amino-4-(2-furyl)-butyric acid

Fmoc-S-3-Amino-3-(3-methyl-phenyl)-propionic acid

L-CyClopropylglycine

(S)-3-Amino-5-phenyl-pentanoic acid-HCl

1-Boc-4-(N-Fmoc-amino)piperidine-4-carboxylic acid

Boc-(R)-3-Amino-4-(1-naphthyl)-butyric acid

Boc-(R)-3-Amino-4-(4-nitro-phenyl)-butyric acid

Boc-D-4-Iodophenylalanine

Boc-L-2-Cyanophenylalanine

D-3-(2-Furyl)-alanine

Fmoc-D-3-(2-pyridyl)-alanine

(S)-3-Amino-4-(4-fluoro-phenyl)-butyric acid-HCl

Boc-L-3-(2-pyridyl)-alanine

Boc-S-3-Amino-3-(3-chloro-phenyl)-propionic acid

L-2-Methylphenylalanine

Boc-(S)-3-Amino-4-(2-chloro-phenyl)-butyric acid

Boc-D-3-Bromophenylalanine

Fmoc-(R)-3-Amino-4-(2,4,5-trifluoro-phenyl)-butyric acid

D-2-Fluorophenylalanine

Fmoc-(S)-3-Amino-4-(3-thienyl)-butyric acid

Fmoc-S-3-Amino-3-(4-nitro-phenyl)-propionic acid

Boc-D-2-Amino-5-phenyl-pentanoic acid DCHA salt

D-3-(4-Thiazolyl)-alanine

Fmoc-D-4-Iodophenylalanine

Fmoc-L-2-Cyanophenylalanine

Fmoc-R-3-Amino-3-(3-hydroxy-phenyl)-propionic acid

Fmoc-Di-n-propylglycine

L-3,3-Diphenylalanine

N-Boc-3-hydroxy-Azetidine

(S)-3-Amino-4-(4-nitro-phenyl)-butyric acid-HCl

D-4-Cyanophenylalanine

D-CyClopentylglycine

Fmoc-(R)-3-Amino-5-phenyl-pentanoic acid

Fmoc-L-3-(2-Thienyl)-alanine

L-Allylglycine

Boc-D-2-Iodophenylalanine

Boc-L-3-(3-Thienyl)-alanine

Fmoc-D-2-Cyanophenylalanine

Fmoc-S-3-Amino-3-(3-chloro-phenyl)-propionic acid

1-Boc-(4-N-Boc-amino)piperidine-4 carboxylic acid

Fmoc-L-2-Nitrophenylalanine

Fmoc-L-3-Methylphenylalanine

Boc-R-3-Amino-3-(3-fluoro-phenyl)-propionic acid

D-2-(2-Thienyl)-glycine

Fmoc-(R)-3-Amino-4-(3-chloro-phenyl)-butyric acid

Fmoc-(R)-3-Amino-4-(3,4-difluoro-phenyl)-butyric acid

L-4-Iodophenylalanine

L-CyClopentylglycine

(R)-3-Amino-4-(2,4-dichloro-phenyl)-butyric acid-HCl

Boc-S-3-Amino-3-(2-bromo-phenyl)-propionic acid

Boc-L-3-Fluorophenylalanine

D-3,5-Difluorophenylalanine

Fmoc-(R)-3-Amino-4-(2-methyl-phenyl)-butyric acid

Fmoc-(R)-3-Amino-4-(2-naphthyl)-butyric acid

Fmoc-L-3-Bromophenylalanine

Boc-S-3-Amino-3-(4-chloro-phenyl)-propionic acid

Fmoc-D-2-Iodophenylalanine

FMOC-D-CYCLOPROPYLGLYCINE

L-CyClopentylalanine

D-2-Trifluoromethylphenylalanine

Fmoc-1-AminocyClohexanecarboxylic acid

1-AminocyClopentanecarboxylic acid

Boc-(R)-3-Amino-4-(3-chloro-phenyl)-butyric acid

Boc-L-4-tert-butyl-phenylalanine

D-CyClopropylalanine

Boc-(R)-3-Amino-4-(2-furyl)-butyric acid

Boc-(S)-3-Amino-4-(3-bromo-phenyl)-butyric acid

Boc-S-3-Amino-3-(2,4-dichloro-phenyl)-propionic acid

Fmoc-D-CyClobutylalanine

Fmoc-S-3-Amino-3-(3-fluoro-phenyl)-propionic acid

Fmoc-S-3-Amino-3-(4-fluoro-phenyl)-propionic acid

Fmoc-(S)-3-Amino-4-(3-benzothienyl)-butyric acid

Fmoc-L-Propargylglycine

L-4-Trifluoromethylphenylalanine

Boc-S-3-Amino-3-(4-nitro-phenyl)-propionic acid

Fmoc-S-3-Amino-3-(2-bromo-phenyl)-propionic acid

L-2,3,4,5,6-Penta fluorophenylalanine

Boc-(S)-3-Amino-4-(3-trifluoromethyl-phenyl)-butyric acid

Fmoc-(S)-3-Amino-4-(3-trifluoromethyl-phenyl)-butyric acid

Fmoc-D-4-Methylphenylalanine

Fmoc-L-CyClopentylglycine

Fmoc-L-CyClopropylglycine

Boc-Diethylglycine

S-3-Amino-3-(2,4-dichloro-phenyl)-propionic acid

(R)-3-Amino-4-(3,4-difluoro-phenyl)-butyric acid-HCl