(1R)-N-(tert-butyloxycarbonyl)-1-(3-fluoro-4-nitrophenyl)-2-hydroxyethyl-amine

(R)-tert-Butoxycarbonylamino-(3-{3-[(S)-1-[(R)-3-(4-fluoro-3-nitro-phenyl)-2-(2-trimethylsilanyl-ethoxycarbonylamino)-propionylamino]-2-(2-methoxy-ethoxymethoxy)-ethyl]-5-methoxy-phenoxy}-4-methoxy-phenyl)-acetic acid

(S)-{3-[5-((R)-2-Benzyloxy-1-tert-butoxycarbonylamino-ethyl)-2-methoxy-phenoxy]-5-methoxy-phenyl}-[(R)-2-tert-butoxycarbonylamino-3-(4-fluoro-3-nitro-phenyl)-propionylamino]-acetic acid

[(R)-2-Hydroxy-1-(3-{3-methoxy-5-[(S)-2-(2-methoxy-ethoxymethoxy)-1-(2,2,2-trifluoro-acetylamino)-ethyl]-2-methyl-phenoxy}-4-nitro-phenyl)-ethyl]-carbamic acid tert-butyl ester

{(R)-2-Benzyloxy-1-[3-(3-{(S)-1-[(R)-2-tert-butoxycarbonylamino-3-(4-fluoro-3-nitro-phenyl)-propionylamino]-2-hydroxy-ethyl}-5-methoxy-phenoxy)-4-methoxy-phenyl]-ethyl}-carbamic acid tert-butyl ester

{(R)-2-Benzyloxy-1-[3-(3-{(S)-1-[(R)-3-(4-fluoro-3-nitro-phenyl)-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionylamino]-2-hydroxy-ethyl}-5-methoxy-phenoxy)-4-methoxy-phenyl]-ethyl}-carbamic acid tert-butyl ester

[1-({{3-[5-(2-benzyloxy-1-tert-butoxycarbonylamino-ethyl)-2-methoxy-phenoxy]-5-methoxy-phenyl}-[1-(3,5-dihydroxy-4-methoxy-phenyl)-2-hydroxy-ethylcarbamoyl]-methyl}-carbamoyl)-2-(4-fluoro-3-nitro-phenyl)-ethyl]-carbamic acid tert-butyl ester