(R)-N-tert-Butyl-3-[(2S,3S)-3-[(S)-2-(2-phenylaminophenyloxyacetyl)-aminosuccinamyl]amino- 2-hydroxy-4-phenylbutanoyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxamide 2-Biphe-Asn-Apns-Dmt-NHtBu AIDS-096896 AIDS096896 o-Ph-Ph-O-CH2CO-Asn-(2S,3S)-AHPBA-Dtc-NH-tBu