(R)-2-((R)-2-Methoxymethoxy-3-phenyl-propionylamino)-3-phenyl-propionic acid

(2S,3aS,6R,7aS)-6-Methoxymethoxy-1-[(R)-2-((R)-2-methoxymethoxy-3-phenyl-propionylamino)-3-phenyl-propionyl]-octahydro-indole-2-carboxylic acid methyl ester

(2S,3aS,6R,7aS)-6-Methoxymethoxy-1-[(R)-2-((R)-2-methoxymethoxy-3-phenyl-propionylamino)-3-phenyl-propionyl]-octahydro-indole-2-carboxylic acid

(2S,3aS,6R,7aS)-6-Acetoxy-1-[(R)-2-((R)-2-methoxymethoxy-3-phenyl-propionylamino)-3-phenyl-propionyl]-octahydro-indole-2-carboxylic acid methyl ester

2-tert-butoxycarbonylamino-5-[3-({6-methoxymethoxy-1-[2-(2-methoxymethoxy-3-phenyl-propionylamino)-3-phenyl-propionyl]-octahydro-indole-2-carbonyl}-amino)-propylidene]-5,6-dihydro-4H-pyrimidine-1-carboxylic acid tert-butyl ester