1-((2S,3S)-2-Hydroxy-4-phenyl-3-{[N2-(3-phenylpropanoyl)-L-asparaginyl]amino}butanoyl)-L-prolyl-N1-(cyclohexylmethyl)-L-alloisoleucinamide AIDS-163649 AIDS163649 PhCH2CH2CO-Asn-(2S, 3S)-AHPBA-Pro-Ile-NH-CH2-C6H11