AIDS-057809 AIDS057809 Boc-Phe[CH(OH)CH2]Phe-Ile-Phe-NH2 N-{(2R,4R,5S)-2-Benzyl-5-[(tert-butoxycarbonyl)amino]-4-hydroxy-6-phenylhexanoyl}-L-isoleucyl-L-phenylalaninamide