1-((2S,3S)-2-Hydroxy-4-phenyl-3-{[N2-(3-phenylpropanoyl)-L-asparaginyl]amino}butanoyl)-L-prolyl-L-leucyl-L-valinamide- AIDS-163641 AIDS163641 PHCH2CH2CO-Asn-(2S, 3S)-AHPBA-Pro-Leu-Val-NH2