2-tert-Butoxycarbonylamino-3-methyl-butyric acid, (1S,2R)-1-[(2R,4S)-2-benzyl-5-((S)-2-tert-butylcarbamoyl-4-pyridin-3-ylmethyl-piperazin-1-yl)- 4-hydroxy-pentanoylamino]-indan-2-yl ester AIDS-093735 AIDS093735