(2R,3R,4R,5R)-2,5-Bis-benzyloxy-3,4-dihydroxy-hexanedioic acid ((1S,2R)-2-hydroxy-indan-1-yl)-amide [(S)-5-(1-hydroxy-2-methyl-propyl)-tetrahydro-furan-3-yl]-amide AIDS-166173 AIDS166173