(3R,4S,5S)-4-[(2-Benzyloxycarbonylamino-acetyl)-methyl-amino]-3-methoxy-5-methyl-heptanoic acid tert-butyl ester

(3R,4S,5S)-4-{[(S)-2-((S)-2-Dimethylamino-3-methyl-butyrylamino)-3-phenyl-propionyl]-methyl-amino}-3-methoxy-5-methyl-heptanoic acid

Cbz-Ile-Dil-O-t-Bu

(3R,4S,5S)-4-(N-((2S)-((2S)-N-benzyloxycarbonylamino-3-methylbutanoyl)-3-methylbutanoyl)-N-methylamino)-3-methoxy-5-methylheptanoic acid

(3R,4S,5S)-4-[((S)-2-Benzyloxycarbonylamino-3-phenyl-propionyl)-methyl-amino]-3-methoxy-5-methyl-heptanoic acid tert-butyl ester