tert-butyl 3-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-phenyl-propanoyl]amino]-3-methyl-butanoyl]amino]-5-oxo-5-(tritylamino)pentanoyl]amino]-3-[[(1S)-1-[[(1S,2S)-1-[[(1S)-2-(2-hydroxyethylamino)-1-methyl-2-oxo-ethyl]carbamoyl]-2-methyl-butyl]carbamoyl]-3-methyl-butyl]amino]-3-oxo-propyl]indole-1-carboxylate

(3S)-3-[[(1S)-1-carbamoyl-2-(1H-indol-3-yl)ethyl]carbamoyl]-3-[[(2S)-1 -[(2S)-2-[[(2S)-2-[[(2S)-3-carbamoyl-2-[[(2S)-4-methyl-2-[[(2S)-5-oxop yrrolidine-2-carbonyl]amino]pentanoyl]amino]propanoyl]amino]-3-(4-hydr oxyphenyl)propanoyl]amino]-3-hydroxy-propanoyl]pyrrolidine-2-carbonyl] amino]propanoic acid

4-[[1-[4-[[(1R)-1-[[(1S)-4-(acetyl-hydroxy-amino)-1-[[(2R)-2-[[(2S,3R) -2-[[(2S)-2,6-diaminohexanoyl]amino]-3-hydroxy-butanoyl]amino]-3-hydro xy-propanoyl]carbamoyl]butyl]-(1-hydroxy-2-oxo-3-piperidyl)carbamoyl]e thyl]carbamoyl]-3,4,5,6-tetrahydropyrimidin-2-yl]-2-(4-hydroxyphenyl)e thyl]carbamoyl]-2-amino-butanoic acid

(3S)-3-[[(2S)-2-[[(2S)-2-[[(2S)-2-aminopropanoyl]amino]-3-(1H-indol-3- yl)propanoyl]amino]-4-carbamoyl-butanoyl]amino]-3-[[(1S)-1-[[(1S)-2-ca rbamoyl-1-[[(1S)-1-[[(1S)-1-carbamoyl-2-(1H-indol-3-yl)ethyl]carbamoyl methylcarbamoyl]ethyl]carbamoyl]ethyl]carbamoyl]-3-methyl-butyl]carbam oyl]propanoic acid

3-[[2-[2-[2-[[2-[[4-[[2-[[6-amino-2-[1-[(2-amino-2-carbamoyl-ethyl)ami no]-2-carbamoyl-ethyl]-5-methyl-pyrimidine-4-carbonyl]amino]-3-[3-[4-c arbamoyloxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy -6-(hydroxymethyl)oxan-2-yl]oxy-3-(3H-imidazol-4-yl)propanoyl]amino]-3 -hydroxy-2-methyl-pentanoyl]amino]-3-hydroxy-butanoyl]amino]ethyl]-1,3 -thiazol-4-yl]1,3-thiazole-4-carbonyl]amino]propyl-dimethyl-sulfanium

(3S)-3-[[(1S)-1-carbamoyl-2-phenyl-ethyl]carbamoyl]-3-[[(2S)-2-[[(2S)- 3-(1H-indol-3-yl)-2-[[2-(tert-butoxycarbonylamino)oxyacetyl]amino]prop anoyl]amino]-4-methylsulfanyl-butanoyl]amino]propanoic acid