3-[(2S,3S)-3-({S-Amino-N-[(biphenyl-3-yloxy)acetyl]-L-cysteinyl}amino)-2-hydroxy-4-phenylbutanoyl]-N-(tert-butyl)-5,5-dimethyl-1,3-thiazolidine-4-(4R)-carboxamide AIDS-163708 AIDS163708 mPh-Ph-O-CH2CO-Mta-(2S,3S)-AHPBA-Dtc-NH-tBu