For-L-norleucine

DL-methionine methyl ester hydrochloride

Gly-Gly-His-OH

Leu-Ser-Phe-OH

Phe-Leu-NH2HCl

p-Nitrophenylacetic acid N-hydroxyuccinimide ester

4-硝基苯乙酸N-琥珀酰亚胺酯

Boc-a-methyl-DL-Valine

N-[(1,1-二甲基乙氧基)羰基]-2-甲基-缬氨酸

Cyclo(-Asp-Gly)

Cyclo(-L-Phe-L-Trp)

环(-L-苯丙氨酸基-L-色氨酸

Phe-Gly-NH2HCl