(S)-2-(2-Hydroxy-3-{[(1S,3aR,6aS)-4-hydroxy-2-((S)-3-methyl-2-{(S)-3-methyl-2-[(pyrazine-2-carbonyl)-amino]-butyrylamino}-butyryl)-octahydro-cyclopenta[c]pyrrole-1-carbonyl]-amino}-hexanoylamino)-3-phenyl-propionic acid tert-butyl ester

(1S,3aR,4R,6aS)-4-Methoxymethoxy-2-((S)-3-methyl-2-{(S)-3-methyl-2-[(pyrazine-2-carbonyl)-amino]-butyrylamino}-butyryl)-octahydro-cyclopenta[c]pyrrole-1-carboxylic acid [1-(cyclopropylcarbamoyl-hydroxy-methyl)-butyl]-amide

L-valyl-L-valyl-L-valine methyl ester

(S)-3-Methyl-2-{(S)-3-methyl-2-[(pyrazine-2-carbonyl)-amino]-butyrylamino}-butyric acid

(1S,3aR,6aS)-2-((S)-3-Methyl-2-{(S)-3-methyl-2-[(pyrazine-2-carbonyl)-amino]-butyrylamino}-butyryl)-1,2,3,3a,6,6a-hexahydro-cyclopenta[c]pyrrole-1-carboxylic acid