AIDS-163690 AIDS163690 Carbamic acid, [(1S)-3-amino-1-[[[(1S,2S)-2-hydroxy-3-[(2S)-2-[[(2-hydroxy-1,1-dimethylethyl)amino]carbonyl]-1-pyrrolidinyl]-3-oxo-1-(phenylmethyl)propyl]amino]carbonyl]-3-oxopropyl]-, phenylmethyl ester PhCH2-O-CO-Asn-(2S, 3S)-AHPBA-Pro-NH-C(Me)2CH2OH