(S)-8-{4-[2-(Ethoxycarbonyl-methyl-amino)-ethyl]-2-nitro-phenoxy}-1-[4-(2-isopropoxy-5-methoxycarbonyl-phenoxy)-benzyl]-6,7-dimethoxy-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester

{4-[5-(tert-Butyl-dimethyl-silanyloxymethyl)-2-isopropoxy-phenoxy]-phenyl}-acetic acid

3-(4-{[[2-(3-Benzyloxy-4,5-dimethoxy-phenyl)-ethyl]-((S)-1-phenyl-ethyl)-carbamoyl]-methyl}-phenoxy)-4-isopropoxy-benzoic acid

3-{4-[(S)-8-Benzyloxy-6,7-dimethoxy-2-((S)-1-phenyl-ethyl)-1,2,3,4-tetrahydro-isoquinolin-1-ylmethyl]-phenoxy}-4-isopropoxy-benzoic acid methyl ester