[3-(4-fluoro-3-nitrophenyl)-(2S)-2-methylaminopropionylamino]-(R)-(4-methoxyphenyl)acetic acid methyl ester

(R)-[(R)-2-Benzyloxycarbonylamino-2-(3,5-bis-benzyloxy-4-methoxy-phenyl)-acetylamino]-(4-methoxy-phenyl)-acetic acid methyl ester

[(2S)-2-(tert-butoxycarbonylmethylamino)-3-(4-fluoro-3-nitrophenyl)propionylamino]-(R)-(4-methoxyphenyl)methyl ester

(S)-[(2R,3R)-3-Hydroxy-4-methyl-2-(2-oxo-4,5-diphenyl-oxazol-3-yl)-pent-4-enoylamino]-(4-methoxy-phenyl)-acetic acid methyl ester

[2-{(R)-[tert-butoxycarbonylamino-(3,5-dichloro-4-methoxyphenyl)acetyl]methylamino}-(3S)-3-(4-fluoro-3-nitrophenyl)propionylamino]-(R)-(4-methoxyphenyl)acetic acid methyl ester