Boc-L-Val-L-Ser-OMe

(S)-2-Benzyloxycarbonylamino-3-(3-{(S)-3-[4-benzyloxymethyl-2-((S)-1-tert-butoxycarbonylamino-2-methyl-propyl)-oxazol-5-yl]-7-bromo-2-oxo-2,3-dihydro-1H-indol-3-yl}-4-hydroxy-phenyl)-propionic acid methyl ester

N-(tert-butyloxycarbonyl)-L-valyl-DL-α-(ethylthio)glycine methyl ester

(5R,8S,11R,14S,16aS)-14-Benzyl-8-isopropyl-11-methyl-4,7,10,13,16-pentaoxo-hexadecahydro-3a,6,9,12,15-pentaaza-cyclopentacyclopentadecene-5-carbonitrile

N-(tert-butyloxycarbonyl)-L-valyl-DL-α-(ethylthio)glycine

(S)-3-(3-{3-[2-((S)-1-Amino-2-methyl-propyl)-4-benzyloxymethyl-oxazol-5-yl]-7-bromo-2-oxo-2,3-dihydro-1H-indol-3-yl}-4-hydroxy-phenyl)-2-benzyloxycarbonylamino-propionic acid methyl ester

cyclo[Val-D-Gly(SEt)-Pro-Phe-D-Ala]

2-((S)-1-amino-2-methylpropyl)-N-((S)-1-(4-carbamoyloxazol-2-yl)-2-phenylethyl)oxazole-4-carboxamide

N-Boc-Val-Ser-OH

(S)-2-[(S)-2-Benzyloxy-2-((S)-2-tert-butoxycarbonylamino-3-methyl-butyrylamino)-acetylamino]-3-methyl-butyric acid methyl ester

methyl 2-[(1S)-1-{[(tert-butoxy)carbonyl](methyl)amino}-2-methylpropyl]-1,3-oxazole-4-carboxylate

N-tert-butyloxycarbonyl-L-valyl-L-α-hydroxyglycine

3-[2-((S)-1-Amino-2-methyl-propyl)-4-benzyloxymethyl-oxazol-5-yl]-7-bromo-3-hydroxy-1-methoxymethyl-1,3-dihydro-indol-2-one