(S)-N1-[(1S,2S)-3-((S)-2-tert-Butylcarbamoyl-pyrrolidin-1-yl)-1-cyclohexylmethyl-2-hydroxy-3-oxo-propyl]-2-[2-(naphthalen-1-yloxy)-ethanoylamino]-succinamide 1Nap-O-CH2-CO-Asn-(2S, 3S)-AHPBA-Pro-NH-tBu AIDS-163681 AIDS163681