N-[(pent-4-en-1-yloxy)carbonyl]-L-valine

(E)-(4S,7S)-4-Isopropyl-2,5,9-trioxo-1-oxa-3,6,10-triaza-cyclohexadec-12-ene-7-carboxylic acid [(1S,2S,4R)-4-((S)-1-benzylcarbamoyl-2-methyl-propylcarbamoyl)-2-(tert-butyl-dimethyl-silanyloxy)-1-isobutyl-pentyl]-amide

(E)-(4S,7S)-4-Isopropyl-2,5,9-trioxo-1-oxa-3,6,10-triaza-cyclohexadec-12-ene-7-carboxylic acid methyl ester

2-trimethylsilyl-ethyl N-((pent-4-en-1-yloxy)carbonyl)-L-valyl-(4R)-4-((1-allyl-1H-indol-2-yl)carbonyloxy)-L-prolinate

((S)-1-{(S)-2-Allylcarbamoyl-1-[(1S,2S,4R)-4-((S)-1-benzylcarbamoyl-2-methyl-propylcarbamoyl)-2-(tert-butyl-dimethyl-silanyloxy)-1-isobutyl-pentylcarbamoyl]-ethylcarbamoyl}-2-methyl-propyl)-carbamic acid pent-4-enyl ester