(S)-4-(1-Furo[3,2-c]pyridin-2-yl-1-methyl-ethyl)-1-[(2S,4R)-2-hydroxy-4-((1S,2R)-2-hydroxy-indan-1-ylcarbamoyl)-5-phenyl-pentyl]-piperazine-2-carboxylic acid, tert-butylamide AIDS-153898 AIDS153898