4-[2-(2-{(2S,3R,4S,5R)-5-[((2S,3S)-2-Amino-3-methyl-pentanoyl)sulfamoyloxymethyl]-3,4-dihydroxy-tetrahydro-furan-2-yl}-ethyl)-2H-tetrazol-5-yl]-benzoic acid, benzyl ester AIDS-104599 AIDS104599