-5-<<2-<<2-<<(1,1-dimethylethoxy)carbonyl>amino>-2-phenylethyl>amino>-1-(1H-indol-3-ylmethyl)-1-methyl-2-oxoethyl>amino>-5-oxopentanoic acid

(E)-3-{(S)-2-[(R)-3-(1H-Indol-3-yl)-2-methyl-2-((1S,2S)-2-methyl-cyclohexyloxycarbonylamino)-propionylamino]-3-phenyl-propylcarbamoyl}-acrylic acid methyl ester

α-methyl-N-<(phenylmethoxy)carbonyl>-D-tryptophan

butanoic acid, (1R-{1α[RS(SR)],2β})-4-[(2-{[3-(1H-indol-3-yl)-2-methyl-2-({[(2-methylcyclohexyl)oxy]carbonyl}amino)-1-oxopropyl]amino}-3-phenylpropyl)amino]-4-oxo

[(R)-1-((S)-1-Aminomethyl-2-phenyl-ethylcarbamoyl)-2-(1H-indol-3-yl)-1-methyl-ethyl]-carbamic acid (1S,2S)-2-methyl-cyclohexyl ester