AIDS-057816 AIDS057816 Boc-Phe[CH(OH)CH2NH]Phe-Ile-Phe-NH2 N-{(2S,3S)-3-[(tert-Butoxycarbonyl)amino]-2-hydroxy-4-phenylbutyl}-L-phenylalanyl-L-isoleucyl-L-phenylalaninamide