1-((2S,3S)-2-Hydroxy-4-phenyl-3-{[N2-(3-phenylpropanoyl)-L-glutaminyl]amino}butanoyl)-L-prolyl-L-alloisoleucyl-L-valinamide- AIDS-163638 AIDS163638 PhCH2CH2CO-Gln-(2S, 3S)-AHPBA-Pro-Ile-Val-NH2