Cyclo(-Phe-Pro)

(R)-3-(Boc-amino)-2-oxo-1-pyrrolidine-acetic acid

Acetyl-O-methyl-L-tyrosine

Benzoyl-L-norleucine

Phthaloyl-glycine 4-nitorophenyl ester

Z-DL-leucine amide

DL-norleucine amide

Fmoc-L-valine Rink amide AM resin

Fmoc-N-ethyl-hydroxylamine

4-(Diphenylhydroxymethyl)benzoic acid

4-(二苯基羟甲基)苯甲酸