(2R,3S,4S)-4-[(S)-3,3-Dimethyl-2-(2-naphthalen-1-yl-ethanoylamino)-butanoylamino]-3-hydroxy-2-(4-methoxy-benzylamino)-5-phenyl-pentanoic acid [(S)-1-(2-hydroxy-4-methoxy-benzylcarbamoyl)-2-methyl-propyl]-amide AIDS-022431 AIDS022431