1Nap-O-CH2CO-Mta-(2S,3S)-AHPBA-Pro-NH-tBu AIDS-163701 AIDS163701 N-(tert-Butyl)-1-[(2S,3S)-2-hydroxy-3-({S-methyl-N-[(1-naphthyloxy)acetyl]-L-cysteinyl}amino)-4-phenylbutanoyl]-L-prolinamide