(R)-N-tert-Butyl-3-[(2S,3S)-3-[(S)-2-(3-phenylaminophenyloxyacetyl)-aminosuccinamyl]amino- 2-hydroxy-4-phenylbutanoyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxamide 4-Biphe-Asn-Apns-Dmt-NHtBu AIDS-096897 AIDS096897 pPh-Ph-O-CH2CO-Asn-(2S,3S)-AHPBA-Dtc-NH-tBu