L-pyroglutamyl-L-histidyl-L-trypthophyl-L-seryl-L-tyrosine tert-butyl ester

L-酪氨酸叔丁酯

(S)-tert-butyl 2-((S)-2-amino-3-hydroxypropanamido)-3-(4-hydroxyphenyl)propanoate

N-benzyloxycarbonyl-L-seryl-L-tyrosine tert-butyl ester

N-(5-氧代-L-脯氨酰)-L-组氨酸甲酯