N-Benzyl-N'-{[[1-(2-benzylcarbamoyl-2-hydroxy-1-methyl-ethylcarbamoyl)-3-methyl-butyl]-(3-methyl-butyl)-carbamoyl]-methyl}-succinamide

(R)-N-benzyl-1-(4-methoxyphenyl)-6-methyl-4-phenyl-1,4-dihydropyridazine-3-carboxamide

3-{2-[(2-Acetylamino-acetyl)-(3-methyl-butyl)-amino]-3-phenyl-propionylamino}-N-benzyl-2-hydroxy-butyramide

N-benzyl-2-hydroxy-3-aminobutyric amide

Formic acid 1-benzylcarbamoyl-2-isocyano-propyl ester