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Boc-L-2-Nitrophenylalanine 

Fmoc-D-4-Cyanophenylalanine 

Fmoc-L-4-Cyanophenylalanine 

D-3-Cyanophenylalanine 

L-3-Cyanophenylalanine 

Boc-D-2-Cyanophenylalanine 

Boc-L-2-Cyanophenylalanine 

D-2-Cyanophenylalanine 

L-2-Cyanophenylalanine 

Fmoc-D-3-(1-Naphthyl)-alanine 

Fmoc-L-3-(1-Naphthyl)-alanine 

Boc-D-3-(1-Naphthyl)-alanine 

Boc-L-3-(1-Naphthyl)-alanine 

D-3-(1-Naphthyl)-alanine 

L-3-(1-Naphthyl)-alanine 

Fmoc-D-2-Nitrophenylalanine 

Boc-L-3-Nitrophenylalanine 

D-3-Trifluoromethylphenylalanine 

L-3-Trifluoromethylphenylalanine 

D-4-Cyanophenylalanine 

L-4-Cyanophenylalanine 

Boc-L-4-Cyanophenylalanine 

Boc-L-3-Cyanophenylalanine 

Boc-D-3-Cyanophenylalanine 

Fmoc-L-3-Cyanophenylalanine 

Fmoc-D-3-Cyanophenylalanine 

Fmoc-D-2-Cyanophenylalanine 

Boc-D-4-Cyanophenylalanine 

Fmoc-L-2-Cyanophenylalanine 

L-3-Methoxyphenylalanine 

L-2,4,5-Trifluorophenylalanine 

Pyrrole-2-carboxylic-acid-ethyl-... 

Pyrrole-2-carboxylic-acid 

5-Ethoxycarbonyl-2,4-dimethyl-1H... 

2-Pyrrolecarboxaldehyde 

5-formyl-2,4-dimethyl-1H-pyrrole... 

2,4-Dimethyl-1H-Pyrrole-3-carbox... 

Fmoc-D-4-tetr-Butylphenylalanine 

Fmoc-L-4-tetr-Butylphenylalanine 

Boc-D-4-tetr-Butylphenylalanine 

Boc-L-4-tetr-Butylphenylalanine 

D-4-tetr-Butylphenylalanine 

Fmoc-D-4-Methoxyphenylalanine 

Fmoc-L-4-Methoxyphenylalanine 

Boc-D-4-Methoxyphenylalanine