2,2-Dimethyl-propionic acid 5-{3-[(S)-2-({6-[(adamantan-1-ylmethyl)-carbamoyl]-1H-indole-5-carbonyl}-amino)-3-phenyl-propionylamino]-5-[1-(2,2-dimethyl-propionyloxymethyl)-1H-tetrazol-5-yl]-phenyl}-tetrazol-1-ylmethyl ester
5-[(S)-2-({6-[(Adamantan-1-ylmethyl)-carbamoyl]-1H-indole-5-carbonyl}-amino)-3-(2-fluoro-phenyl)-propionylamino]-isophthalic acid dibenzyl ester
5-((S)-2-{[6-(Cycloheptylmethyl-carbamoyl)-1H-indole-5-carbonyl]-amino}-3-phenyl-propionylamino)-isophthalic acid dibenzyl ester
5-[(S)-2-({6-[(Adamantan-1-ylmethyl)-carbamoyl]-1H-indole-5-carbonyl}-amino)-3-phenyl-propionylamino]-isophthalic acid dibenzyl ester
5-[(S)-2-({5-[(Adamantan-1-ylmethyl)-carbamoyl]-1H-indole-6-carbonyl}-amino)-3-phenyl-propionylamino]-isophthalic acid dibenzyl ester