methyl (S)-3-[1-(1,1-dimethylethoxycarbonyl)-1H-imidazol-4-yl]-2-[(1,1-dimethylethoxycarbonyl)amino]propionate

(S)-5,6,7,8-四氢-5-氧代咪唑并[1,5-c]嘧啶-7-甲酸甲酯

methyl 3-(1H-imidazol-5-yl)-2-[[3-(1H-indol-3-yl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoyl]amino]propanoate

N,1-二三苯甲基组氨酸

Nα-Trityl-L-histidin