(S)-N-{(S)-1-[(S)-1-((S)-1-{(S)-1-[(S)-1-(1-Carbamoyl-methanoyl)-pentylcarbamoyl]-3-methyl-butylcarbamoyl}-2,2-dimethyl-propylcarbamoyl)-2-o-tolyl-ethylcarbamoyl]-3-carboxy-propyl}-3-(3-carboxy-propanoylamino)-succinamic acid AIDS-106155 AIDS106155