1-[(2S,3S)-3-({N2-[(benzyloxy)carbonyl]-L-asparaginyl}amino)-2-hydroxy-4-phenylbutanoyl]-L-prolyl-N1-(cyclohexylmethyl)-L-valinamide AIDS-163634 AIDS163634 PHCH2-O-CO-Asn-(2S, 3S)- AHPBA-Pro-Ile-NH-CH2-C6H11