(R)-N-tert-Butyl-3-[(2S,3S)-3-[(S)-2-(2-naphthoxyacetyl)-aminosuccinamyl]amino- 2-hydroxy-4-phenylbutanoyl]pyrrolidine-2-carboxamide 2-Naphthyl-Asn-Apns-Dmt-NHtBu AIDS-096895 AIDS096895