3-{(1R)-1-Hydroxy-2-[(3-methylbutyl)(phenylsulfonyl)amino]ethyl}(3S,6S)-4,7-diaza-6-(methylethyl)-12-oxabicyclo[11.2.2]heptadeca-1(15),13,16-triene-5,8-dione AIDS-050802 AIDS050802 Asn-Phe Macrocylic deriv.