H-Arg-OEt.2HCl

3-(3-Pyridyl)-D-alanine hydrochloride

3-(3-吡啶基)-D-丙氨酸

(S)-3-(1-Naphthyl)-alanine

3-(1-萘基)-L-丙氨酸

Fmoc-4-chloro-D-phenylalanine

Fmoc-D-4-氯苯丙氨酸

4-Methoxy-phenylalanine

O-甲基-L-酪氨酸

Boc-HomoArg(NO2)-OH

N-(叔丁氧羰基)-4-硝基-D-苯丙氨酸, Boc-4-Nitro-D-phenylalanine

H-Cit-OH

L-瓜氨酸

叔丁氧羰基-3-碘-L-丙氨酸甲酯, Boc-iodo-Ala-OMe

Nα-(叔丁氧羰基)-D-精氨酸盐酸盐一水合物, Boc-D-Arg-OH.HCl.H2O

Boc-Asp(OtBu)-OH.DCHA