1-((2S,3S)-2-Hydroxy-4-phenyl-3-{[N2-(3-phenylpropanoyl)-L-asparaginyl]amino}butanoyl)-L-prolyl-b-alaninamide- AIDS-163637 AIDS163637 PHCH2CH2CO-Asn-(2S, 3S)-AHPBA-Pro-Beta Ala-NH2