1-[(2S,3S)-3-({N2-[(Benzyloxy)carbonyl]-L-asparaginyl}amino)-2-hydroxy-4-phenylbutanoyl]-L-prolyl-2-methylalaninamide AIDS-163683 AIDS163683 PhCH2-O-CO-Asn-(2S, 3S)-AHPBA-Pro-Aib-NH2