1-{(2R,3S)-3-[(N-Acetyl-L-leucyl-L-asparaginyl)amino]-2-hydroxy-4-phenylbutyl}-L-prolyl-L-isoleucyl-L-valinamide AIDS-030797 AIDS030797 Acetyl-Leu-Asn-Phe[CHOHCH2]Pro-Ile-Val-NH2