1-[(2S,3S)-4-Cyclohexyl-2-hydroxy-3-({N2-[(1-naphthyloxy)acetyl]-L-asparaginyl}amino)butanoyl]-L-prolyl-L-alloisoleucyl-L-valinamide 1Nap-O-CH2CO-Asn-(2S, 3S)-AHPBA-Pro-Ile-Val-NH2 AIDS-163662 AIDS163662