(S)-2-{(2S,3R)-2-[(S)-2-({(2R,3R)-3-[2-((S)-2-Amino-butyrylamino)-acetoxy]-2-methyl-nonanoyl}-methyl-amino)-4-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-benzyloxy-propionic acid

(S)-2-{(2S,3R)-2-[(S)-2-({(2R,3R)-3-[2-((2S,3S)-2-Amino-3-methoxy-butyrylamino)-acetoxy]-2-methyl-nonanoyl}-methyl-amino)-4-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-benzyloxy-propionic acid

N-((2R,3R)-3-[Boc-L-allo-Thr(Me)-GlyO]-2-methylnonanoyl)-N-Me-L-Leu-L-allo-Ile-L-Ser(Bn)-OAllyl

N-((2R,3R)-3-[Boc-L-Thr(TBS)-GlyO]-2-methylnonanoyl)-N-Me-L-Leu-L-allo-Ile-L-Ser(Bn)-OAllyl