6-<<(2-aminoethyl)carbobenzoxy>(tert-butoxycarbonyl)amino>-2-<<1-<(ethoxycarbonyl)methyl>-2-oxo-2,3,4,5-tetrahydro-1H-benz<b>azepin-3-yl>amino>hexanoic acid ethyl ester

2-<<1-(carboxymethyl)-2,3,4,5-tetrahydro-2-oxo-1H-benzazepin-3-yl>amino>-7-<<2-<<5-<5-chloro-1-methyl-2-(3-pyridinyl)-1-1H-indol-3-yl>pentanoyl>amino>ethyl>(tert-butoxycarbonyl)amino>heptanoic acid

6-<(2-aminoethyl)(tert-butoxycarbonyl)amino>-2-<<1-<(ethoxycarbonyl)methyl>-2-oxo-2,3,4,5-tetrahydro-1H-benz<b>azepin-3-yl>amino>hexanoic acid ethyl ester

(S)-6-(tert-Butoxycarbonyl-{2-[6-(5-chloro-1-methyl-2-pyridin-3-yl-1H-indol-3-yl)-hexanoylamino]-ethyl}-amino)-2-((S)-1-carboxymethyl-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepin-3-ylamino)-hexanoic acid